The solar furnace in Mont Louis [5] . The temperature at the focal point can be used to produce electricity, melt steel, hydrogen or nanomaterials. 8. Name the type of mirror used in the following situations. (Photo 2) The fan pushes cold air into the input port on the bottom. Solution Verified by Toppr Correct option is A) A concave mirror is used in the design of solar furnaces because they converge the parallel sun rays at a point. Heliogen. When a solar furnace is placed at the focus of a large concave mirror, it focuses a parallel beam of light on the furnace. Reflecting mirrors used for exploiting solar energy are called A. Mantle B. Ponds C. Diffusers D. Heliostats Convex mirrors are used as a rearview mirror in cars because it produces an erect and diminished image of the traffic behind the vehicle. This reflected light is very powerful because it carries a lot of thermal energy. In 1993,the solar furnace was used for industrial and manufactured products such as the firing of ceramics, and bronze and aluminum products. Answer: Concave mirrors are used in the designing of solar furnaces. In 1993,the solar furnace was used for industrial and manufactured products such as the firing of ceramics, and bronze and aluminum products. 67. The concave reflector focuses the Sun's heat rays on the furnace and the high temperature is achieved. One-half of a convex lens is covered with a black paper. One such method is the use of Solar Furnace for reaching temperatures up to 3,5000 C. In this review paper, a brief overview of different types of solar furnace and their main components have been described. When a solar furnace is placed at the focus of a large concave mirror (called reflector), it focuses a parallel beam of light on the furnace, as a result a temperature is achieved after some time. Support your answer with reason. The solar furnace is placed at the focus of the large concave reflector. 7. Its unique complexities and the fun activities now . Which kind of mirrors are used in the head lights of a motor-car and why ? A converging mirror would be the best choice for the construction of curved surfaces. The solar furnace technique is based on reflecting solar radiation from a surface and concentrating it all in a single point. Q.6 (a) Draw a ray diagram to show the formation of the image of an object placed between infinity and the optical center of a concave lens. Name the type of mirror used in the following situations: (i) Headlights of a car (ii) Rear-view mirror of vehicles (iii) Solar furnace Support your answer with reason. Explain how high temperature is achieved by this device. History of Solar furnaces cont'd The solar furnace in Mont Louis, France, built in 1949 by Professor Flix Trombe, was the first solar furnace in the world. The solar furnace is placed at the focus of the large concave mirror called a reflector. 9681. Solar furnaces; Used in shaving mirrors . . Answer : (a) Concave (b) Convex (c) Concave Explanation (a) Concave mirror is used in the headlights of a car. A convex mirror is used as a rear-view mirror because the image provided by a convex mirror is Erect - Hence, the image produced to the driver is not inverted, it's right side is up. Question 32. Answers (1) S Sayak The concave mirror would be used in a solar furnace to concentrate the incident rays from the sun on a solar panel. Name the type of mirror used in the following situations. That is why they are used to construct solar furnaces. It converges the incident light on them at a single point known as principal focus. Complete step by step answer: A solar furnace is a structure used to concentrate solar power to a particular point and to obtain high temperatures at that particular point. Name the type of mirror used in the following situations. An object 5 cm high is held 25 cm away from a converging lens of focal length 10 cm. 3. Q 8. This allows the heating system to achieve a higher temperature and be better suited to heat your entire home. 3. A convex mirror enables driver to view much . It is used in shaving mirrors to see large image of the face. (a) Headlights of a car. This solar furnace can heat up your room from 10 degrees Celsius to 29. They focus the parallel sun rays at a single point called the focus. Explanation: Another name for a concave mirror is a converging mirror, which pretty much sums up their purpose: point all the light that hits them on a singe point (the bit where all they rays actually cross each other is called the focal point). The various parameters affecting the performance, efficiency, and achievable temperature have also been discussed. This is why concave mirror is used. A rear-view mirror (or rearview mirror) is a flat mirror in automobiles and other vehicles, designed to allow the driver to see rearward through the vehicle's rear window (rear windshield).. (c) Solar furnace. Ans: A Concave mirror is used in the solar cooker since it absorbs the sunlight and produces heat energy. As a result, the temperature at its focus increases and the substance placed at . When the light gets reflected off its surface, the mirror diverges the light. (a) Headlights of a car. Name the type of mirrors used in the design of solar furnaces explain how high temperature is achieved by this device - Science - Light - Reflection and Refraction. It uses parallel rays of sun to obtain this high temperature. (Figure 2) Schematic. This 50 m 2 reflector will generate temperatures of 700C (1292F) and displace 200-300 kg of firewood used . The Bill Gates-backed startup Heliogen has generated solar heat topping 1,000 degrees Celsius using mirrors. Convex mirrors are used as rear-view (wing) mirrors in vehicles. (a) Headlights of a car. (c) Solar furnace. Expert Answer: Concave mirror are used in car headlamp. 4. Question: 14. This is because these mirrors send the reflected light as a parallel beam of light to illuminate the road. Name the type of mirror used in the following situations: (i) Headlights of a car (ii) Rear-view mirror of vehicles (iii) Solar furnace Support your . When parallel rays of light from the sun fall on the surface of the concave mirror, rays gets reflected and meet at the focus of the mirror due to the converging nature of concave mirror. Headlights of a car. The solar furnace principle is being used to make inexpensive solar cookers and solar-powered barbecues, and for solar water pasteurisation. The Power Of The Sun. . A solar furnace is an optical system for providing concentrated solar radiation. Name the type of mirror used (i) by dentists and (ii) in solar furnaces. The light source is held at the focus of the mirror. Name the type of mirror used in the following situations: (i) Headlights of a car (ii) Rear-view mirror of vehicles (iii) Solar furnace; Support your answer with reason. Question 9. A type of solar reflector used in solar furnace; An instrument used for measuring the solar radiation is; A reflector used in solar power plant to reflect sunlight is; A mirror used to reflect sublight in box type solar cooker is; The temperature inside the solar cooker ranges from; The solar radiation received directly from the sun is; The use . Concave mirrors are used in the design of 'solar furnaces'. 2. Give two reasons why such mirrors are used in each case. Similar Questions P: Resistance of a conductor depends on its length Q. Q.3: Which mirror is used in . The solar furnace in Mont Louis [5] 8. Name the type of mirror used in the following situations. Support your answer with reason. (a) Headlights of a car. Best answer Concave mirrors are used in the design of solar furnaces. (b) Side/rear-view mirror of a vehicle. [3] Answer: Concave mirrors are used by dentists to see the large images of the teeth of patients because when a tooth is within the focus of a concave mirror, then an enlarged image of the tooth is . . Answer: 1. (b) Side/rear-view mirror of a vehicle (c) Solar furnace. (a) Headlight of a car. In cars, the rear-view mirror is usually affixed to the top of the windshield on a double-swivel mount allowing it to be adjusted to suit the height and viewing angle of any driver and to swing harmlessly . Similar Questions P: Resistance of a conductor depends on its length Q. Questions No-8. Explanation: Concave mirrors are used in solar furnaces because it focuses sun's rays on the furnaces, os that the temperature of furnace increases high through concave mirrors. Concave mirror is used in a solar furnace. A convex mirror is a spherical reflecting surface that bulges towards the source of light.Convex mirror is also known as a curved mirror.. Convex Mirror is a curved mirror where the reflecting surface protrudes into the source of light. The optical design is a two-stage off-axis configuration which uses a flat 52 m{sup 2} heliostat and a concentrator composed of 147 spherical mirror facets. A concave mirror is used in the design of solar furnaces because they converge the parallel sun rays at a point. Name the type of mirror used in the following situations. This heat energy is used in the solar cooker to cook the food. The solar concentrating system (100) comprises at least two single-curved parabolic mirrors (10, 20) connected in an operable arrangement. Question 10. . Solar furnace. The temperature at focus increases at . Diminished - Hence, the image produced is much smaller than the actual size of the object. Name the type of mirror used in the following situations. It is a crucial element in concentrated solar power ( CSP energy ). The specialist E.N.T. Name the type of mirror used in the following situations. So, a concave mirror is used in a solar furnace. Support your answer with reason. Answer: Concave mirrors. Concave mirror has converging power, it can concentrate the light ray at a particular point. Support your answer with reason. (b) Side/rear-view mirror of a vehicle. Name the type of mirror used (i) by dentists and (ii) in solar furnaces. Uses of convex mirror include divergence of light beams, as in rearview mirrors, magnifying glasses, and inside buildings. a) Headlights of car: Type of mirror used is concave as the light of lamp undergoes divergence from reflector surface and cover large area in the front. The solar cells used in solar panel are used to convert solar energy into; A reflector used in solar power plant to reflect sunlight is; The use of reflector in solar heating devices is to; In solar furnace temperature can be raised upto; A mirror used to reflect sublight in box type solar cooker is; Solar pond is used to Solution. The solar furnace is kept practically at the focal point of the broad concave reflector. The concave reflector focuses the Sun's heat rays on the furnace . Its operation works on exploiting the sun rays' reflection in a large area through reflective surfaces. (c) Solar furnace. As a result, temperature at its focus increases . Solve any question of Work, Energy and Power with:- Patterns of problems > Uses of convex mirrors. Some solar thermal power plants use this technique to heat a working fluid. Question 33. Q.5 Name the type of mirror used in the following situations: 2M (i) Headlights of a car (ii) Rear-view mirror of vehicles (iii) Solar furnace Support your answer with reason. Concave mirrors are used in solar cookers. Nov 19, 2019. Solar ovens use a curved mirror or series of mirrors that act as a parabolic reflector to bring light into focus, which can reach temperatures of up to 3500 degrees Celsius (63330 degrees Fahrenheit). Similar Questions An Unbiased coin is tossed 4 times. How is high temperature achieved by this device? And in night we want highly concentrated light beam for clear visibility. (a) In headlights of a car, type of mirror used is concave as the light of the lamp, under goes divergence from reflector surface and cover a large area in the front. Question 15. 9. Question. Concave mirror is used in a solar furnace. Concave mirrors are converging mirrors. c) Solar furnace. Large concave mirrors are used to concentrate sunlight to produce heat in solar furnace. A solar concentrator is a system for concentrating solar energy. (a) Headlights of a (b) Side/rear-view mirror of a (c) Solar furnace Support your answer with reason. The solar furnace project was founded by the government of the State Northrhine Westfalia within the Study Group AG Solar. Solar furnace: Concave mirror Concave mirror has the property to concentrate the sunlight coming from sun along with heat radiation at its focus. Explanation: please make me as a brainliest. This helps in providing a wider field of view . At this point, all the Infra Red radiation that has hit them (and been reflected by the mirror's . Solar furnace: Concave mirror Concave mirror has the property to concentrate the sunlight coming from sun along with heat radiation at its focus. Support your answer with reason. Answer: (a) For head lights of a car, we use a concave mirror. b) Solar/rear view of vehicle: It is a convex mirror as it gives diminished, virtual and an erect image of the side or rear with wider field of view. You can send your comments directly at info@mechanicaltutorial.com. An object is placed at a distance of 10 cm from a convex mirror of focal . Solar Furnace in Tashkent Region is the brightest and most unusual sight in the vicinity. Parabolic mirrors or heliostats concentrate light onto a focal point.The temperature at the focal point may reach 3,500 C (6,330 F), and this heat can be used to generate electricity, melt steel, make hydrogen fuel or nanomaterials. (a) Headlights of a car. (CBSE 2013) Answer: Concave mirror. (b) Convex mirror is used for side/rear view mirror of a vehicle. Name the type of mirror used in solar furnace. They converges light incident on them at a single point known as principal focus. (c) Solar furnace. Draw the ray diagrams and find the position, size and the nature of the image formed. Large concave mirrors are used in solar furnaces as reflectors. This helps to increase the temperature of the furnace. Headlight, side/rearview mirror of a vehicle and solar furnace Answer 1) concave mirror 2) convex mirror 3) concave mirror Explanation A) concave mirror is used in the headlights of a car. It also gives a wider view. Answer. Name the type of mirror used (i) by dentists and (ii) in solar furnaces. Solar furnace: Concave mirror Concave mirror has the property to concentrate the sunlight coming from sun along with heat radiation at its focus. Find more answers Ask your question New questions in Biology Q2. Ans :(a) concave mirror: as it produce powerful beam of parallel rays that converge at infinity Here's how to build one yourself. Give two reasons why such mirrors are used in each case. Warm air exits from the output port on the top. Prev Question Next Question Find MCQs & Mock Test Free JEE Main Mock Test Recent Posts ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 7 Decimals Objective Type Questions The concave mirrors are converging mirrors. Temperature can reach upto 3500oC. Solar ovens use a curved mirror or series of mirrors that act as a parabolic reflector to bring light into focus, which can reach temperatures of up to 3500 degrees Celsius (63330 degrees Fahrenheit). This technique's primary use is in thermal solar energy, but you can also see photovoltaics (PV) uses. When the mirror is held nearer to the face, the concave mirror forms an enlarged and erect image of the face during the shaving. Name the type of mirror used in the following situations. Let's crack it Here you will get answers to every question asked by CBSE in the examination. View Answer NCERT Question 8 - Name the type of mirror used in the following situations. Name the type of mirror used in the following situations. A solar furnace is a structure that uses concentrated solar power to produce high temperatures, usually for industry. Solar Furnace in Tashkent Region. (b) Side/rear-view mirror of a vehicle. Name the type of mirrors used in the design of solar furnaces. Solar Furnace: Applications, and the Type of Mirror Used. 8. Name the type of mirror used in the following situations. The solar furnace is placed at the focus of a large concave reflector. (2013, 2016 OD) Answer: . A concave mirror is used in solar cooker because it converges light rays coming from infinity to a point so that more heat is produced at the point sufficient to cook the food. Concave mirrors are used in solar furnaces because concave mirrors are the only type of mirror that reflects light toward a single focal point. A gigantic 54-meter-high solar oven with a parabolic mirror, it can concentrate the sun's rays at one point and create temperatures over 3000 C in a matter of seconds. Used as a head mirror. Q9. As a result . (c) Solar furnace. Solar furnace is placed at the focus of the concave reflector which focusses the Sun's heat rays on the furnace due to . Name the type of mirror used in the following situations: (a) Headlights of a car (b) Side/rear-view mirror of a vehicle.