Question

14.
A student constructed a box type solar cooker. He found that it did not work
Efficiently. What could this be due to? Give any four possible mistakes in the
solar construction and operation of the cooker what maximum temperature
Can ordinarily be reached inside a solar cooker?​

Answer 1

Answer:

Solar cooker not be a box it has to be a cylindrical and heated up to 100*c

Answer 2

Answer:

A student constructed a box type solar cooker. He found that it did not work efficiently. What could this be due to? Give any four possible mistakes in the construction and operation of the solar cooker. What maximum temperature can ordinarily be reached inside a solar cooker?

Ans. He might have committed some mistakes.

(i) Interior of the solar cooker not painted in black colour.

(ii) Instead of glass sheet, plastic sheet is used to cover it.

(iii) Solar cooker is without insulation.

(iv) Black containers have not been used.

Maximum temperature is 140°C in solar cooker.