The rectangular surface of area 8 cm 
4cm of a black body at a temperature of 
emits energy at the rate of E per second. If the length and breadth of the surface are each reduced to half of the initial value and the temperature is raised to 
, the rate of emission of energy will become
Text Solution
Verified by ExpertsThe correct answer is:
D
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
The amount of radiation emitted by a perfectly black body is proportional to
A metal ball of surface area and temperature is surrounded by a vessel at . If the emissivity of…
The rate of radiation of a black body at 0°C is EJ/sec. The rate of radiation of this black body at…
A black body radiates energy at the rate of at a high temperature . When the temperature is reduc…
An object is at a temperature of 400 . At what temperature would it radiate energy twice as fast? …
A black body at a temperature of 227 radiates heat energy at the rate of 5 cal/cm 2 -sec. At a tem…