Solar Radiation Geometry MCQ

Test your knowledge with important Solar Radiation Geometry MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Solar Radiation Geometry MCQs at Bissoy

On summer solstice, the sun is above the horizon in northern hemisphere.

ক
True

খ
False
The equinoxes are vernal equinox and autumnal equinox respectively.

ক
True

খ
False
What is the sun’s declination angle during equinox?

ক
0 degrees

খ
1 degree

গ
13 degrees

ঘ
23.5 degrees
Why does earth receive 12 hours of sunshine during equinox?

ক
Because earth’s center lies on the plane of the sun

খ
Because earth’s center does not lie on the plane of the sun

গ
Because earth is nearest to the sun

ঘ
Because earth’s axis is perpendicular to the plane of the sun
What is an equinox?

ক
When earth is farthest from the sun

খ
When earth is nearest to the sun

গ
When earth’s center lies in the plane of sun

ঘ
When earth’s center does not lie in the plane of sun
What is sun’s declination angle during winter solstice?

ক
25 degrees

খ
-23.5 degrees

গ
37 degrees

ঘ
23.5 degrees
What is sun’s declination angle during summer solstice?

ক
23.5 degrees

খ
0.53 degrees

গ
32 minutes

ঘ
-23.5 degrees
What is sun declination angle?

ক
Angle between sun and earth

খ
Angle between ray of the sun touching earth’s surface and the equatorial plane

গ
Angle between an observer on earth and the celestial equatorial plane

ঘ
Angle between ray of the sun when extended to the earth’s center and the equatorial plane
What is solstice?

ক
The point where earth is farthest from the sun

খ
The point where earth is nearest from the sun

গ
When sun’s zenith is at its furthest point from celestial equator

ঘ
When sun’s zenith is at its closest point from celestial equator
Which month is the earth farthest from the sun?

ক
June

খ
July

গ
August

ঘ
January
What is aphelion?

ক
The point where earth is farthest from the sun

খ
The point where earth is nearest from the sun

গ
The point where earth is on the perpendicular bisector of sun’s plane

ঘ
The point when earth subtends an angle of 30 degrees with sun’s plane
Which month is the earth closes to the sun?

ক
February

খ
March

গ
December

ঘ
January
When revolving around the sun, the earth moves in an elliptical cycle _______

ক
on the sun’s plane

খ
above the sun’s plane

গ
above and below the sun’s plane

ঘ
below the sun’s plane
Why is angle subtended by sun on earth’s surface so small?

ক
Because sun is smaller than earth

খ
Because of the large distance between earth and sun

গ
Because of the small distance between earth and sun

ঘ
Because sun is about the same size as that of earth
What is angle subtended by sun on earth in degrees?

ক
About 0.5 degrees

খ
About 1 degree

গ
About 35 degrees

ঘ
About 5 degrees
The altitude angle is maximum at noon.

ক
True

খ
False
Hour angle is a measure of time of day with respect to solar noon.

ক
True

খ
False
Altitude angle is the _______

ক
vertical angle between projection of sun’s rays on the horizontal plane of earth’s surface

খ
horizontal angle between projection of sun’s rays on the horizontal plane of earth’s surface

গ
vertical angle between projection of sun’s rays on the vertical plane normal to earth’s surface

ঘ
horizontal angle between projection of sun’s rays on the vertical plane normal to earth’s surface
What the hour angle?

ক
Angle between ray of the sun when extended to the earth’s center and the equatorial plane

খ
Angle between line joining the location to earth’s center and earth’s equatorial plane

গ
Angle through which the turns to bring the meridian of a point in line with sun’s rays

ঘ
Angle through which the turns to bring the meridian of a point directly in line with sun’s rays
What is the range of sun’s declination angle throughout the year?

ক
Between 0 and 90 degrees

খ
Between 0 and 23.5 degrees

গ
Between -23.5 and 23.5 degrees

ঘ
Between -23.5 and 0 degrees
Which of the following indicates the position of any point on earth?

ক
Rectangular co-ordinate system

খ
Latitudes, longitudes

গ
Radial co-ordinate system

ঘ
Spherical co-ordinate system
Solar radiation spectrum is close to _____

ক
that of a black body

খ
that of a white body

গ
that of Jupiter

ঘ
that of phase response
When does the vernal equinox occur?

ক
January

খ
December

গ
September

ঘ
March
When does the autumnal equinox occur?

ক
January

খ
August

গ
September

ঘ
December
The lines joining North and South pole of earth are called _____

ক
latitudes

খ
longitudes

গ
equator

ঘ
semicircle lines
How is latitude of a location on earth defined?

ক
Angle between line joining the location to earth’s center and earth’s equatorial plane

খ
Angle between line joining the location to earth’s center and the meridian plane

গ
Angle subtended by sun on earth

ঘ
Angle between sun’s rays extended to earth’s center and earth’s equatorial plane
What is the sun’s declination during earth’s motion from vernal equinox to summer solstice?

ক
Greater than 50 degrees

খ
Between 0 and 30 degrees

গ
Greater than 0 degrees

ঘ
Less than 0 degrees
During which of the following periods is the earth below the plane of sun?

ক
Vernal equinox to winter solstice

খ
Winter solstice to vernal equinox

গ
Vernal equinox to summer solstice

ঘ
Summer solstice to winter solstice
What is sun’s declination angle during earth’s motion from autumnal equinox to winter solstice?

ক
Greater than 90 degrees

খ
Less than 0 degrees

গ
Greater than 0 degrees

ঘ
Between 60 and 90 degrees
Which of the following best describes the motion of sun from autumnal equinox to winter solstice?

ক
Earth is above the plane of the sun

খ
Earth is below the plane of the sun

গ
Earth’s center lies on the plane of the sun

ঘ
Earth first escalates above the plane and then transcends below the plane of sun