Q.

Statement -1 :  Good reflectors are poor emitters of thermal radiation.

Statement -2 :  The ratio of the emissive power (e) and absorptive power (a) is constant for radiation of the same wavelength and temperature.

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Statement-1 is true, Statement-2 is true but Statement-2 is not the correct explanation for Statement-1.

b

Statement-1 is true, Statement-2 is false

c

Sattement-1 is false, Statement-2 is true

d

Statement-1 is true, Statement-2 is true and Staement-2 is the correct explanation for Statement-1.

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

Good reflectors are poor absorbers. Thus from Kirchhoff's law,  are also poor emitters of thermal radiation.

According to Kirchhoff’s law, eλaλ= constant 

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon