All bodies above absolute zero temperature emit radiation". Above statement is based on

Related MCQs

• 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
• Stefan-Boltzmann law which describes the radiation heat transfer states that, it is proportional to (where, t = temperature in °C T = absolute temperature in ° K)
• The radiation heat flux from a heating element at a temperature of 800°C, in a furnace maintained at 300°C is 8 kW/m2 . The flux, when the element temperature is increased to 1000°C for the same furnace temperature is
• Heat transfer by radiation between two bodies at T1 & T2 and in an ambient temperature of Ta°C depends on
• The thermal radiation emitted by a body is proportional to T n, where T is its absolute temperature. The value of 'n' is exactly 4 for
• The statement that "maximum wavelength of radiation is inversely proportional to the temperature" is __________ law.
• The statement that the emissivity and absorptivity of a surface is surrounded by its own temperature are the same for both monochromatic and total radiation, is known as
• The ratio of the emissive power and absorptive power of all bodies is the same and is equal to the emissive power of a perfectly black body. This statement is known as
• According to Stefan-Boltzmann law, ideal radiators emit radiant energy at a rate proportional to
• Radiation energy is emitted by all the substances, which are above