Depending on the radiating properties, body will be transparent when

Related MCQs

• 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.)
• 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
• 40% of incident radiant energy on the surface of a thermally transparent body is reflected back. If the transmissivity of the body be 0.15, then the emissivity of surface is
• Out of 100 kcal/second of incident radiant energy on the surface of a thermally transparent body, 300 kcal/second is reflected back. If the transmissivity of the body is 0.25, the emissivity of the surface will be
• The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoff‟s law.
• As per Kirchoff‟s law, the ratio of the total radiating power to the absorptivity of a body depends on the
• In case of a body transparent to thermal radiation
• Solid angle subtended by the finite surface at the radiating element is