Q.

The rates of heat radiation from two patches of skin each of area A, on a patient’s chest differ by 2%. If the patch of the lower temp is at 300K and emissivity of both the patches is assumed to be unity, the temp. of other patch would be.

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

306K

b

312K

c

308.5K

d

301.5K

answer is D.

(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

P=σAT4P∝T4⇒ΔPP×100=4ΔTT×100∴temp of other patch =T±ΔT
Watch 3-min video & get full concept clarity
Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

Related Blogs
Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
Result Producing online coaching for JEE/NEET of south India
Largest All India Test Series for JEE/NEET
Best Books for IIT JEE
Best Books for NEET
How to Join IIT after 10th
whats app icon
The rates of heat radiation from two patches of skin each of area A, on a patient’s chest differ by 2%. If the patch of the lower temp is at 300K and emissivity of both the patches is assumed to be unity, the temp. of other patch would be.