Home
Class 12
PHYSICS
For a perfectly black body, its abosrpit...

For a perfectly black body, its abosrpitve power is

A

1

B

`0.5`

C

zero

D

infinity

Text Solution

Verified by Experts

The correct Answer is:
A

A black body absorbs all incident radiations. Absorptive power = 1
Promotional Banner

Topper's Solved these Questions

  • HEAT AND THERMAL PHYSICS

    MTG-WBJEE|Exercise WB JEE WORKOUT ( CATEGORY 2: SINGLE OPTION CORRECT TYPE )|14 Videos
  • HEAT AND THERMAL PHYSICS

    MTG-WBJEE|Exercise WB JEE WORKOUT ( CATEGORY 2: ONE OR MORE THAN ONE OPTION CORRECT TYPE)|11 Videos
  • GRAVITATION

    MTG-WBJEE|Exercise WB JEE Previous Years Questions (CATEGORY 1: Single Option Correct Type|7 Videos
  • KINEMATICS

    MTG-WBJEE|Exercise WB JEE Previous Years Questions (CATEGORY 3 : One or More than One Option Correct Type (2 Marks) )|1 Videos

Similar Questions

Explore conceptually related problems

A black body emits

For a perfectly rigid body

For perfectly black body emissivity (e) is

If between wavelength lambda and lambda + dlambda , e_(lambda) and a_(lambda) be the emissive and absorptive powers of a body and E_(lambda) be the emissive power of a perfectly black body, then according to Kirchoff's law, which is true

Statement-1: Young's modulus for a perfectly plastic body is zero Statement-2: For a perfectly plastic body, restoring force is zero.

Radiation||Perfectly black body||Absorptive power||Emissive power

Absorptive power of a white body and of a perfectly black body respectively are .