A. 5%
B. 15%
C. 30%
D. 50%
E. 70%
Related Mcqs:
- Solar radiation reaches the earth’s surface as __________.
- Which of the following consitituents of earths atmosphere is mainly responsible for absorbing the ultraviolet radiation?
- The solar constant which is defined as the rate of which energy is received from the sun on a unit area perpendicular to the rays of the sun at the mean distance of the earth from the sun outside of the atmosphere has a standard value of
- The angle in minute subtended by sun on the earths surface is about
- The largest amont of reflection of the solar radiant energy which is reflected back into space before reaching the earth’s surface is due to:
- _______ absorbs energy which is transferred to the atmosphere from the earth’s surface and maintains temperature for life:
- When solar radiation strikes the boundary between the air and top of the cover plate the percent of the incident intensity reflected is
- The temperature of sun’s outer surface is:
- 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
- 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
