A.Stefan Boltzman low
B.Kirchhoff’s law
C.D’Alembert’s rule
D.Lambert law
E.Law of emissivity
Related Mcqs:
- The rate of radiant energy, which is emitted by a surface at any temperature and in small wavelength is found from the known rate of energy, which under the same condition would be emitted from a black surface by multiplying with the absorptivity. Above enunciation is known as
- A relationship between the temperature of a black body and the wavelength at which the maximum value of monochromatic emission power occurs, is established under
- Emissivity and absorptivity of a surface are equal for radiation
- All substances emit radiation, the quality and quantity depending upon the absolute temperature and the properties of the material composing the radiating body. The above statement is known as the statement of
- The rate of radiant energy, which is emitted by a surface at any temperature and in small wavelengths is found from the known rate of energy, which under the same conditions would be emitted from a black surface, by multiplying with the absorptivity. Above enunciation is known as
- When a body is in thermal equilibrium with its surroundings, the absorptivity and the emissivity of the body are same. This Law is known as
- At all wavelengths and temperatures the monochromatic emissivity of a white body is equal to
- The emissivity of a body will be equal to absorptivity when
- The wavelength for maximum emissive power is given by
- “A good absorber of a given wavelength of radiation is also a good emitter of that wavelength.” This is a statement of __________.
