The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoff‟s law.

Related MCQs

• As per Kirchoff‟s law, the ratio of the total radiating power to the absorptivity of a body depends on the
• Depending on the radiating properties, a body will be white when (where a = absorptivity, p = reflectivity, x = transmissivity)
• Depending on the radiating properties, a body will be black when (where a = absorptivity, p == reflectivity, X = transmissivity.)
• Depending on the radiating properties, a body will be opaque when (where a = absorptivity, p = reflectivity, X = transmissivity.)
• Absorptivity of a perfect black body is unity. Which of the following has maximum absorptivity?
• "The ratio of the total emissive power to the absorptivity for all bodies is same at ther-mal equilibrium". This is __________ law.
• According to Kirchoff’s law, the ratio of emissive power to absorptivity for all bodies is equal to the emissive power of a
• 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
• 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
• If the absorptivity plus reflectivity of a body equals 1, then the body is known as