ICSE Class 10 Physics Question 16 of 20

Solved 2017 Question Paper ICSE Class 10 Physics — Question 6

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6
Question

Question 6(c)

(i) Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere. [4]

(ii) A radiation X is focused by a particular device on the bulb of a thermometer and mercury in the thermometer shows a rapid increase. Name the radiation X.

(iii) Name two factors on which the heat energy liberated by a body depends.

Answer

(i) The green house gases in the earth's atmosphere absorb the low energy infrared radiations.

(ii) The radiation X is Infrared radiation.

(iii) The two factors are :

  1. Material of the body
  2. Temperature of the body.