If the amount of radiant energy received per unit area per second from the sun is measured at the Earth, Mars and Jupiter it will be

Related MCQs

• 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
• Radiant energy received by a body is proportional to (where, d = the distance between the object emitting radiation and that receiving it.)
• 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
• Heat conducted througfi unit area and unit thick face per unit time when temperature difference between opposite faces is unity,is called
• According to Stefan’s law, the total radiation from a black body per second per unit area is proportional to
• In the electrical network analysis method the total radiation which leaves a surface per unit time per unit area is termed as
• The rate of energy emission from unit surface area through unit solid angle, along a normal to the surface, is known as
• According to Stefan-Boltzmann law, ideal radiators emit radiant energy at a rate proportional to
• 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
• Pyrometer which react to all wavelengths of incident radiant energy are known as