Calculate the value of `lambda_max` for solar radiation assuming that surface temperature of Sun is 5800 K (b = `2.897 xx 10^-3 mK`). In which part of the electromagnetic spectrum, does this value lie?

Earth's mean temperature can be assumed to be 280K. How will the curve of blackbody radiation look like for this temperature? Find out lambda_max , in which part of the electromagnetic spectrum, does this value lie?

What is the peak wavelength of radiation emitted by a black body at temperature 40^@C (b = 2.898 xx 10^-3 mK )

Calculate the value of acceleration due to gravity on the surface of Mars if the radius of Mars = 3.4 xx 10^3 km and its mass is 6.4 xx 10^23 kg.

Calculate the energy radiated is one minute by a blackbody of surface area 200 cm^2 at 127^@C ( sigma = 5.7 xx 10^-8 Jm^-2s^-1K^-4 )

Find the temperature of a black body if its spectrum has a peak at :- lambda_max = 3m (FM radio wave) (b = 2.897 xx 10^-3 mk )

Wein's constant is 2892xx10^(-6) MKS unit and the value of lambda_(m) from moon is 14.46 microns. What is the surface temperature of moon

Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6xx10^24 kg, Radius of the Earth = 6400 km and the acceleration due to gravity on the surface = 9.8 m//s^2

A 60 watt filament lamp loses all its energy by radiation from its surface. The emissivity of the surface is 0.5. The area of the surface is 5 xx 10^-5m^3 . Find the temperature of the filament ( sigma = 5.67 xx 10^-8m^2s^-4K^-4 )