Solar Radiation, Heat Balance and Temperature MCQs with answers
Dear candidates you will find MCQ questions of 11th Class - Geography | Chapter: Solar Radiation, Heat Balance and Temperature here. Learn these questions and prepare yourself for coming examinations. You can check the right answer of any question by clicking the option or by clicking view answer button.
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Q. What is the temperature at the sun’s gaseous surface?
✅ Correct Answer: (B)
5700 degree Celsius
Q. Earth in turn radiates the heat back to the atmosphere in long waves called
✅ Correct Answer: (A)
terrestrial radiation
Q. The sun is vertically overhead at noon on 21st June at
✅ Correct Answer: (B)
23.5 degree N
Q. This process of vertical heating of the atmosphere is known as
✅ Correct Answer: (B)
Convection
Q. ______ are lines joining places having an equal temperature.
✅ Correct Answer: (D)
Isotherms
Q. What is Isotherm?
✅ Correct Answer: (A)
The line joining the places of equal temperature.
Q. Higher latitudes are not permanently frozen because of
✅ Correct Answer: (C)
Redistribution of surplus heat energy pole wards from tropics
Q. Angle made by the rays of the sun on the earth surface is called the
✅ Correct Answer: (A)
angle of incidence
Q. The heat energy absorbed by a known area in a fixed time is determined with the help of an instrument called
✅ Correct Answer: (B)
Pyrheliometer
Q. With respect to isotherm, consider the following statements:
1. The Isotherms are lines joining places having equal temperature.
2. In January the isotherms deviate to the south over the Ocean and to the north over the continent in the northern hemisphere.
Which of the statements given above is/are correct?
1. The Isotherms are lines joining places having equal temperature.
2. In January the isotherms deviate to the south over the Ocean and to the north over the continent in the northern hemisphere.
Which of the statements given above is/are correct?
✅ Correct Answer: (A)
1 only
Q. Solar radiation received at any point of earth is called
✅ Correct Answer: (D)
Insolation
Q. The atmosphere is mainly heated by the
✅ Correct Answer: (C)
Long wave terrestrial radiation
Q. What percent of sunrays that is received by the upper layer of the atmosphere reach the earth surface?
✅ Correct Answer: (B)
51%
Q. The amount of visible radiation reflected by the earth is called as its _______.
✅ Correct Answer: (A)
Albedo
Q. Through which process the colour of the sky seems blue?
✅ Correct Answer: (C)
scattering
Q. The combined reflection from the earth’s surface and clouds is known as
✅ Correct Answer: (B)
albedo
Q. How much solar radiation is received at the top of the atmosphere?
✅ Correct Answer: (A)
100 units
Q. What is the distance between the sun and the earth?
✅ Correct Answer: (A)
152 million km.
Q. The dark spots appearing on the sun’s surface are called
✅ Correct Answer: (B)
Sun spots
Q. What causes the variations in insolation?
✅ Correct Answer: (C)
rotation of the earth on its axis
Q. Which factor determines the angle of inclination of solar rays?
✅ Correct Answer: (B)
latitude
Q. On what day the sun is overhead at the Tropic of Cancer?
✅ Correct Answer: (A)
June 21st
Q. The angle of inclination of sun’s rays at noon at Delhi (28°N)
✅ Correct Answer: (D)
85°
Q. The sun is vertically over head at noon on 21st June at
✅ Correct Answer: (B)
23.5 degree N.
Q. _______ are lines joining places having equal temperature.
✅ Correct Answer: (C)
Isotherms
Q. The combined reflection from the earth’s surface and clouds is known as
✅ Correct Answer: (C)
albedo
Q. Which of the following causes inversion of temperature in mountainous regions?
✅ Correct Answer: (A)
Due to air drainage
Q. With increase in height the temperature decreases at a normal rate. It is called
✅ Correct Answer: (C)
Normal lapse rate
Q. Which type of fuel is removed from the reactor core after reaching end of core life service?
✅ Correct Answer: (B)
Spent fuel
Q. What is the rate of solar energy reaching the earth surface?
✅ Correct Answer: (B)
1016W
Q. _________ are lines joining places having an equal temperature.
✅ Correct Answer: (A)
Isotherms
Q. Which processes operate on insolation during the passage through the atmosphere?
✅ Correct Answer: (D)
All of these
Q. The combined reflection from the earth’s surface and clouds is known as
✅ Correct Answer: (C)
albedo
Q. Consider the following statements:
1. The incoming solar radiation on earth is known as insolation.
2. The farthest distance of the earth from the Sun is 152 million Km on 4th July.
3. The position of the earth when it is nearest to the Sun is called Aphelion.
Select the correct answer using the code given below
1. The incoming solar radiation on earth is known as insolation.
2. The farthest distance of the earth from the Sun is 152 million Km on 4th July.
3. The position of the earth when it is nearest to the Sun is called Aphelion.
Select the correct answer using the code given below
✅ Correct Answer: (B)
1 and 2 only
Q. The main reason that the earth experiences highest temperatures in the subtropics in the northern hemisphere rather than at the equator is
✅ Correct Answer: (D)
Subtropical areas have longer day hours in the summer than the equatorial.
Q. On 4th July, the earth is farthest from sun. What is its distance?
✅ Correct Answer: (D)
152 million km
Q. In what form is solar energy is radiated from the sun?
✅ Correct Answer: (C)
Electromagnetic waves
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