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Solar Cooker

Which type of...

Question

Which type of mirror is used as a reflector in a box-type solar cooker

A

plane

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B

concave

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C

parabolic

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D

none of the above

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Solution

The correct option is A
plane

Explanation of the Correct Options
The solar cooker is a device that converts solar energy into electricity.
Plane mirrors are used in solar cookers so that a stronger beam of light can be produced after reflection from the plane mirror.
This strong beam of light is then absorbed by the black surface inside the box.
Thus, a plane mirror is used as a reflector in a box-type solar cooker.
Hence, option A is the correct answer.

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Q. What type of reflector is used in a box-type solar cooker?

Q. (a) Name that part of a box-type solar cooker which allows the sun's heat rays to enter the box but does not allow inside heat to go out.
(b) Explain why, a plane mirror reflector is used in a box-type solar cooker.

Q. The part of box-type solar cooker which is responsible for producing greenhouse effect is :
(a) plane mirror reflector (b) black coating inside the box
(c) glass sheet cover (d) utensils placed in the cooker box

Q. Two students made box-type solar cookers separately. They both painted the insulated box with black colour from inside, the cooking pots were painted black from outside, and a plane mirror reflector was also attached. One of the students covered the solar cooker box with a transparent glass sheet but the other student covered the solar cooker box with a transparent plastic sheet. Which of the two solar cookers will be more efficient and why?

Q. A solar cooker may not cook food if

(a) the solar cooker is not placed in the shade
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(d) the food containers of insulting material are not used

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