Two stars `A` and `B` radiate maximum energy at wave lengths `4000Å` and `5000Å` respectively. The ratio of their temperature will be-

Two stars A and B radiate maximum energy at the wavelength of 360nm and 480 nm respectively. Then the ratio of the surface temperatures of A and B is

Two stars A and B radiates maximum energy at 3600 Å and 4200 Å, respectively. Then the ratio of their temperature is

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

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

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

Two stars A and B radiate maximum energy 5200Å and 6500Å respectively. Then the ratio of absolute temperatures of A and B is

Two bodies A and B have emissivities 0.5 and 0.8 respectively. At some temperature the two bodies have maximum spectral emissive powers at wavelength 8000 Å and 4000 Å respectively. The ratio of their emissive powers at these temperatures is :

Two bodies A and B have emissivities 0.5 and 0.8 respectively. At some temperature the two bodies have maximum spectral emissive powers at wavelength 8000 Å and 4000 Å respectively. The ratio of their emissive powers at these temperatures is :

Two stars X and Y emit maximum radiations at 4800 Å and 6000 Å respectively. If the temperature of the star Y is 5800 K, then what is the temperature of the star X?