First slide
Radiation
Question

Consider the following statements.
(A) Two thin blankets put together are warmer than a single blanket of double the thickness.
(B) Thickness of blanket increases because of air layer enclosed between the two blankets.

Select the correct option.
(a) (A) is false but (B) is true.
(b) Both (A) and (B) are true.
(c) (A) is true but (B) is false.
(d) Both (A) and (B) are false.
 

Easy
Solution

 A  is TRUE, BUT  B is FALSE . AIR layer between the blankets is poor conductor of heat ,it reduces the loss of heat.

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