Q: Two bodies of same shape, same size and same radiating power have emissivity 0.2 and 0.8. The ratio of their temperature is
(a) √3 ∶ 1
(b) √2 ∶ 1
(c) 1 ∶ √5
(d) 1 ∶ √5
Ans: (b)
Science and Education
Q: Two bodies of same shape, same size and same radiating power have emissivity 0.2 and 0.8. The ratio of their temperature is
(a) √3 ∶ 1
(b) √2 ∶ 1
(c) 1 ∶ √5
(d) 1 ∶ √5
Ans: (b)