Q 3315312260.     A black body of mass `34.38 g` and surface area `19.2 cm^2` is at an initial temperature of `400 K`. It is allowed to cool inside an evacuated enclosure kept at constant temperature `300 K`. The rateof cooling is `0.04^o C//s`. The specific heat of body is (Stefan’s constant `sigma = 5.73 xx 10^(-8) Jm^(-2) K^(-4)` )

NEET RTN 12
A

`"2800 J/kg-K"`

B

`"2100 J/kg-K"`

C

`"1400 J/kg-K"`

D

`"1200 J/kg-K"`

Find instant solution to any question from our database of 1.5 Lakh + Questions

 

Access free resources including

Engineering

Medical

Banking

DEFENCE

SSC

RRB

CBSE-NCERT

OLYMPIAD

Today's Score

0
Success Rate: NAN %

Practice & Test

Sr. No.SubjectTagCorrectRecorded Answer