Sun : Power House of Energy

Q.

What are tropical and subtropical regions?

Q.

Equatorial region location:

Q. What is the principal source of energy on the Earth's surface?

1. Fire
2. Sun
3. Stars
4. Moon

Q. is the solar radiation that reaches the earth's surface .

1. Isolation
2. Insolation
3. Conduction
4. Convection

Q.

Give examples of radiation.

Q. Where will Sun’s rays fall more intensively, in Andhra Pradesh or Rajasthan?

1. Andhra Pradesh
2. Rajasthan
3. Both receive the same intensity of the Sun's rays
4. Cannot say

Q. The angle of incidence at the equator is _______.

1. 45˚
2. 0˚
3. 90˚
4. 30˚

Q. Why do the Sun's rays reaching the ground not heat the Earth's surface uniformly?

1. Because some areas have clouds and other areas don't.
2. Because some regions are dustier than others.
3. Because of the curved nature of the Earth's surface.
4. Because of the unevenness of the Earth's surface.

Q. When a body gives out energy, it is called ______.

1. isolation
2. insulation
3. irradiation
4. radiation

Q. If the Earth were flat and not curved and perpendicular to the Sun, then which will get more heat - Japan or Equator, or both equally?

1. Japan
2. Equator
3. Both
4. Cannot say conclusively

Q. What are examples of diversity on Earth?

1. Oceans and continents
2. Mountains
3. Plateaus and plains on continents
4. Regions of high and scanty rainfall

Q. 'On an average, the buildings are much taller in Mumbai than in Bangalore.'

What can you conclude from this observation?

1. Bangalore has more efficient land use compared to Mumbai.
2. Mumbai has a larger population density compared to Bangalore
3. Mumbai has access to better technology than Bangalore
4. Real estate prices in Mumbai are higher compared to Bangalore.

Q. Which region of the Earth is warm throughout the year?

1. Equatorial region
2. Temperate region
3. Polar region
4. Sub-tropical region

Q. With decreasing angle of incidence, the amount of energy recieved by the surface _____.

1. remains constant
2. increases
3. decreases
4. first increases and then decreases

Q. What fraction of Solar energy reaching the earth gets refelected back from atmoshphere?

1. One-third
2. Two-third
3. Three-fourth
4. Half

Q. How are winds caused?

1. Temperature difference
2. Height difference
3. Distance
4. Weather

Q.

Light is a form of radiant energy.

1. True
2. False

Q. The energy emitted by Sun is known as _______.

1. solar rays
2. solar spectrum
3. solar radiation
4. heat

Q.

How much solar energy which falls on the periphery of the atmosphere actually reaches the surface of the earth?

1. $35\%$

2. $40\%$

3. $47\%$

4. $62\%$

Q. How are winds caused?

1. Height difference
2. Distance
3. Temperature difference
4. Weather

Q. The solar radiation recieved on the surface of Earth is called _______.

1. Isolation
2. Insolation
3. Percolation
4. Convection

Q. Energy from the sun comes in the form of _______.

1. Heat
2. Colour
3. Light
4. Sound

Q.

What is the natural source of energy?

Q. The angle at which sunlight rays hits the Earth surface is known as _______.

1. Ray angle
2. Angle of reflection
3. Critical Angle
4. Angle of Incidence

Q. How bathing with cold water protects us from catching cold ?

Q. How does India exhibit Unity in Diversity?

Q.

what are equators and poles? Is their any diffrence

Q. What are green houses?

1. Houses which allow heat to come in and but not escape.
2. Houses which do not allow heat to come in but allows heat to go out.
3. Houses which allow heat to come in and go out.
4. Houses which do not allow heat to come in or go out.

Q. How does the angle of incidence change while moving from equator to poles?

1. Increases
2. Decreases
3. Remains constant
4. First increases and then decreases

Q. What is the principal source of energy on the Earth's surface?

1. Stars
2. Moon
3. Sun
4. Fire