A spherical black body of radius 
radiates power 
, and its rate of cooling is R.
Text Solution
Verified by ExpertsD
From the above question, we are given that the radius of the spherical block is 
and it is radiating the power is P.
We are asked to find the rate of cooling of the black body.
We will find the expression of power which varies according to the area of the sphere and the radius of the square.
The power of the body which radiates is directly proportional to area
We know that the relationship between power and rate of change of temperature etc, by the following expression, as given by
Substitute the value of 
and 
in the above equation
Substitute the values of m and C in the above equation
Therefore rate of fall in temperature is given by
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems