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Why is the box of a solar cooker painted...

Why is the box of a solar cooker painted black from inside ?

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### Step-by-Step Solution: 1. **Understanding Solar Cookers**: A solar cooker is a device that uses sunlight to cook food. It captures solar energy and converts it into heat. 2. **Role of Color in Heat Absorption**: Different colors absorb different amounts of light and heat. Black is known to absorb more light and heat compared to other colors. 3. **Black Color and Radiation**: The black surface of the solar cooker is effective in absorbing the maximum amount of solar radiation. This is because black surfaces are excellent at absorbing heat. ...
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(a) With the help of a labelled diagram, explain the construction and working of a solar cooker. (b) Why is the solar cooker box painted black from inside ? (c ) Why is the solar cooker box covered with a glass sheet ?

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LAKHMIR SINGH & MANJIT KAUR-HEAT-EXERCISE
  1. What is a thermometer ? Name the thermometer used by doctors and nurse...

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  2. Can we use a laboratory thermometer to measure human body temperature ...

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  3. Why is the box of a solar cooker painted black from inside ?

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  4. In places of hot climate, it is advised that the outer walls of houses...

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  5. What is meant by 'convection' ? Explain with the help of an example. W...

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  6. Define radiation. Give any two examples where heat is transferred by r...

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  7. A person bought a book at 20% discount and sold it at 10% discount. In...

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  8. Stainless steel cooking pans are preferred with extra copper bottoms. ...

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  9. A wooden spoon is dipped in a cup of ice cream. Its other end

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  10. The device used to measure temperature is

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  11. The expansion of one of the following liquids is used for measuring th...

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  12. Which of the following features are that of a clinical thermometer ? ...

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  13. The normal temperature of a healthy person is thirty seven degrees on

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  14. Digital thermometers available these days for measuring temperature us...

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  15. Which of the following is not a method of transfer of heat ?

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  16. Which of the following is not an insulator ?

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  17. A liquid which is a good conductor of heat is :

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  18. The woollen clothes keep us warm during winter because : A. Wool is ...

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  19. The objects made of steel, mica, wood and brass are lying in the same ...

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  20. The transfer of heat by convection can take place in

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