Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

If the radius of a star is R and it acts as a black body, what would be the temperature of the star, in which the rate of energy production is Q?

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

(Q4πR2σ)14

b

Q4πR2σ

c

(Q4πR2σ)

d

(4πR2Qσ)14

answer is A.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

If r is the radius of the star and T is temperature, then the energy emitted by the star per second through radiation in accordance with Stefan's law will be given byAσT4 = 4πr2σT4Q = 4πR2σT4    ⇒  T = (Q4πR2σ)14
Watch 3-min video & get full concept clarity

courses

No courses found

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon