Home
Class 12
PHYSICS
The ratio of masses of two metal spheres...

The ratio of masses of two metal spheres A and B is 8 : I. If their temperatures are 2000 K and 1000 K respectively, then the ratio of the rates of their energy emission will be

A

`64:1`

B

`128:1`

C

`16:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

The sphere of radii 8 cm and 2 cm are cooling. Their temperatures are 127^(@)C and 527^(@)C respectively . Find the ratio of energy radiated by them in the same time

Densities of two gases are in the ratio 1:2 and their temperatures are in the ratio 2:1 , then the ratio of their respective pressure is "_____________" .

Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respectively. The ratio of their temperatures is

The heat is flowing through two cylindrical rods of same material. The diameters of the rods are in the ratio 1:2 and their lengths are in the ratio 2:1 . If the temperature difference between their ends is the same, the ratio of rate of flow of hest through them will be

The temperatures of two bodies A and B are 727^(@)C and 127^(@)C . The ratio of rate of emission of radiations will be

Rate of loss of heat of two spheres at same temperature having radii in ratio 1 : 2 is

A metal surface is illuminated by the photons of energy 5 eV and 2.5 eV respectively. The ratio of their wavelengths is

Two particles of equal masses are revolving in circular paths of radii 2 m and 8 m respectively with the same period. Then the ratio of their centripetal forces is,

If the masses of two uniform discs are in the ratio 1: 2 and their diameters are in the ratio 2 : 1, then the ratio of their moments of inertia about the axes passing through their respective centres and perpendicular to their planes will be

Two satellite fo masses m and 4m orbit the earth in circular orbits of radii 4r and r respectively. The ratio of their orbital speed is