A.m = cos ?z
B.m = 1/cos ?z
C.m = sin ?z
D.m = 1/sin ?z
Related Mcqs:
- For zenith angle of 60? at sea level air mass is
- The sum of the solar altitude angle and the solar zenith angle is
- The angle subtended by a vertical line to the zenith (i.e. the point direct5ly overhead) and the line of sight to the sun is called
- At solar noon on the equinoxes the solar zenith angle is equal to
- The solar radiation at sea level corresponds to an air mass value of
- A block of mass ‘m’ is in equilibrium on a rough inclined plane, inclined at an angle ? to the horizontal. If
- A gun fires shell with a muzzle velocity of 600 m/sec. The angle of inclination of the gun so that the shell hits a target at a distance of 32 km at level 100 m higher than the gun would be approximately?
- Which of the following angles is aero at solar noon?
- Which of the following angles is aero at solar sunset?
- The ratio of mass of water vapour associated with unit mass of dry air to the mass of water vapour associated with unit mass of dry air saturated at the same temperature is known as