Home
Class 12
PHYSICS
If an athermanous body absorbs 20% of th...

If an athermanous body absorbs 20% of the incident radiant energy, then reflection coefficient of the body is

A

0.2

B

zero

C

0.8

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Athermanous bodies are those

Out of 10J of radiant energy incident on a surface, the energy absorbed by the surface is 2 J and the energy reflected is 7 J. Then, coefficient of transmission of the body is

Define athermanous body.

When the kinetic energy of a body executing S.H.M. is 1/3 of the potential energy, the displacement of the body is x percent of the amplitude, where x is

The coefficient of absorption of heat surface of a body is 0.68. When 100 calories of heat is incident on the body, 27 calories are reflected from the surface. Find the coefficient of transmission of the body.

For an opaque body coefficient of transmission is

Kinetic energy of a body (KE) =

If the temperature of a hot body is increased by 50% then amount of radiant energy emitted by it increases approximately by

What is the sum of coefficients of absorption, reflection, and transmission of the body is.......

A body of mass 20 kg is initially at rest. A force of 10 N is applied to the body. Find the velocity of the body after 10 seconds and the distance covered by it in the ten seconds on application of the force.