Question

Assess yours
A. Choose the correct option.
1. Which statement about nuclear fusion is false?
a) Nuclear fusion uses hydrogen as fuel.
b) It is now being used to generate electrical energy commercially.
c) It is the process of combination of two small nuclei.
d) It takes place in the sun.
2. The renewable energy source which is most likely to occur in volcanically active region is
a) biogas
b) wind energy
c) geothermal energy
d) nuclear energy
3. The function of the glass cover in a box type solar cooker is
a) to trap heat radiation
c) to see food being cooked
4. Geothermal energy is feasible in regions which
b) to increase effective area of collecting sunlight
al
d) to prevent conduction of heat
a) are near the sea
b) are over hot spots
c) have waterfalls
d) have petroleum deposits
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5. A source of energy which is not connected to the sun is​

Answer 1

1) c) It is the process of combination of two small nuclei.

2) c) geothermal energy

3) a) to trap heat radiation

4) a) are near the sea

Answer 2

Answer:-

1. c) It is the process of combination of two small nuclei.

2. c) geothermal energy

3. a) to trap heat radiation

4. a) are near the sea.

5. Geothermal energy ,Nuclear fuels, Hydroelectricity, Wave energy are examples of some sources of energy that are not derived from Sun.

Helpful points:-

What is Nuclear fusion?

Nuclear fusion reaction of atomic nuclei combining.

What is renewable energy?

Renewable energy are such energy that iare sustainable. These energies never run out of get over.

Why glasses are used to trap radiations?

It has been noticed that glasses are capable to absorb most of the Earth's emitted longwave infrared radiation.

• Sun is considered as a great source of energy. Almost all kind of energy that are seen has a source as sun. Example of such source of energy that are has no involvement of sun are Geothermal energy ,Nuclear fuels, Hydroelectricity and Wave energy.