Thermal Propert...

Pick out the statement which is not true?

Good absorbers of heat are

Certain substances emits only the wavelength λ₁, λ₂, λ₃ and λ₄ when it is at a high temperature. When this substance is at a colder temperature, it will absorb only the following wavelengths

As compared to the person with white skin, the person with black skin will experience

A red flower kept in green light will appear

Which of the following statements is wrong?

A perfect black body is one whose emissive power is

If between wavelength λ and λ + dλ, e_λ and a_λ be the emissive and absorptive powers of a body and E_λ be the emissive power of a perfectly black body, then according to Kirchoff\'s law which is true

Distribution of energy in the spectrum of a black body can be correctly represented by

A piece of blue glass heated to a high temperature and a piece of red glass at room temperature, are taken inside a dimly lit room then