Home
Class 12
PHYSICS
A heated body maitained at T K emits the...

A heated body maitained at T K emits thermal radiation of total energy E with a maximum intensity at frequency v. The emissivity of the material is 0.5. If the temperature of the body be increased and maintained at temperature 3T K, then :-
(i) The maximum intensity of the emitted radiation will occur at frequency v/3
(ii) The maximum intensity of the emitted radiation will occur at frequency 3v.
(iii) The total energy of emitted radiation will become 81 E
(iv) The total energy of emitted radiation will become 27 E

A

i & ii

B

ii & iii

C

i & iv

D

i, ii & iv

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Kinetic theory of gasess)|14 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Thermodynamic process)|20 Videos
  • RACE

    ALLEN |Exercise Basic Maths (Thermal Physics) (Calorimetry)|14 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN |Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN |Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

A black body emits radiations of maximum intensity at wavelength of 5000Å When the temperature of the body is 1227^(@)C . If the temperature of the body is increased by 1000^(@)C , the maximum intensity of emitted radiation would be observed at . . . . . . .

The electron emitted in beta radiation originates from

How intensity of radiation is determined?

Following graph shows the correct variation in intensity of heat radiations by black body and frequency at a fixed temperature

Following graph shows the correct variation in intensity of heat radiations by black body and frequency at a fixed temperature

The photoelectric cutoff voltage in a certain expertiment is 1.5 V.What is the maximum kinetic energy of photoelectrons emitted?

The maximum intensity obtained due to the superposition of waves of 'n' coherent source having same intensity I_(0) is ......

Two coherent sources of intensities I_1 and I_2 produce an interference pattern. The maximum intensity in the interference pattern will be

What will be the increment in heat energy radiated when the temperature of hot body is raised by 5% ?

What is relation between photon and intensity of radiation ?