What is a black body?

  • A
    An ideal body that emits all radiation.
  • B
    An ideal body that absorbs all radiation incident on it.
  • C
    An ideal body that reflects all radiation.
  • D
    An ideal body that transmits all radiation.

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Similar Questions

Explain the reason for the formation of a spectrum.

The radiation with maximum frequency is

The frequency of yellow light having wavelength $600 \ nm$ is

The wavelength of photon $A$ is $400 \ nm$. The frequency of photon $B$ is $10^{16} \ s^{-1}$. The wave number of photon $C$ is $10^{4} \ cm^{-1}$. The correct order of energy of these photons is:

What is the wavelength for a wave having frequency $50 \ Hz$?

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