Sources of Energy

CBSE Class 10th Science 14 – Sources of energy MCQs

A motor converts electrical energy into ____.

Correct! Wrong!

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A motor converts electrical energy into mechanical energy.

The device which converts solar energy into electrical energy is ____.

Correct! Wrong!

Solar cell converts solar energy into electrical energy.

Destructive distillation of coal leads to the formation of ____.

Correct! Wrong!

The process of heating coal in the absence of oxygen is known as destructive distillation. It results into four products - coal gas, coke, coal tar and ammonical liquor.

When steam is passed over hot coke, it produces ____.

Correct! Wrong!

Synthesis gas contains varying amounts of carbon monoxide and hydrogen generated by the gasification of a carbon-containing fuel to a gaseous product with a heating value.

The solar energy received by each square meter of upper atmosphere of the earth per second is ____.

Correct! Wrong!

The solar energy received by each square meter of upper atmosphere of the earth per second is 1.36 kJ/s.

Ocean energy is harnessed from ____ energy.

Correct! Wrong!

Ocean energy is harnessed from tidal energy.

____ is a renewable source of energy.

Correct! Wrong!

Tidal energy is a renewable source of energy. Coal, petroleum and natural gas are non-renewable sources of energy.

The following constituents of the atmosphere absorb solar energy, while it travels towards the earth's surface except ____.

Correct! Wrong!

Ozone, carbon dioxide and water vapour are the green house gases and they absorb solar energy while travelling towards the earth's surface. But nitrogen does not absorb the solar energy.

LPG mainly consists of ____.

Correct! Wrong!

LPG mainly consists of n-butane.

The type of radiation emitted by an electric heater is ____.

Correct! Wrong!

The radiation emitted by an electric heater is infrared radiations.

Which source of energy is used in artificial satellites?

Correct! Wrong!

The source of energy in artificial satellites is solar energy.

Which of the following pair of energies does not create pollution?

Correct! Wrong!

Solar and wind energy does not create any pollution.

Producer gas is a mixture of ____.

Correct! Wrong!

Producer gas is a mixture of carbon monoxide and nitrogen gas.

Which of the following is a disadvantage of nuclear energy?

Correct! Wrong!

Safe disposable of nuclear wastes is a big problem. Hence, disadvantage of nuclear energy is safe disposable of nuclear wastes.

Fossil fuels are formed in ____.

Correct! Wrong!

Fossil fuels are formed in 100 million years.

Maximum temperature that can be reached inside a solar cooker is the range ____.

Correct! Wrong!

Maximum temperature that can be reached inside a solar cooker is 100 °C to 140 °C.

____ gas is utilized as a source of energy for industrial purposes.

Correct! Wrong!

Methane is used for industrial purpose.

The fusion reaction occurs at ____.

Correct! Wrong!

The fusion reaction occurs at very high temperature. Nuclear fusion is the cause of solar energy.

The process of burning fuel is called ____.

Correct! Wrong!

The process of burning fuel is called combustion.

Which of the following cannot be used to make a solar cell?

Correct! Wrong!

Platinum does not readily show photoelectric phenomena, hence, it cannot be used to make a solar cell.

At a hydro electric power station kinetic energy of water is converted into ____.

Correct! Wrong!

At a hydro electric power station kinetic energy of water is converted into electrical energy.

Water gas consists of ____.

Correct! Wrong!

Water gas consists of a mixture of carbon monoxide and hydrogen (CO + H2).

Which of the following source of energy is not dependent upon energy of sun?

Correct! Wrong!

Geothermal energy is not related to the energy of sun. Rest of the energies – wind, tidal and biomass are indirectly influenced by solar energy.

Natural gas mainly consists of ____.

Correct! Wrong!

Natural gas mainly consists of methane.

The disadvantage of using fossil fuels is that ____.

Correct! Wrong!

When fossil fuel undergo combustion, carbon dioxide is released. Carbon dioxide causes green house effect.

In a thermal power plant, ____ energy is transformed into ____ energy.

Correct! Wrong!

In a thermal power plant, fossil fuels are burnt to produce electricity. Hence, chemical energy stored by fossil fuels is transformed into electrical energy in thermal power plant.

CSP stands for ____.

Correct! Wrong!

Concentrating solar power (CSP) technologies include cost-effective thermal storage techniques. These allow a CSP system to set aside the heat energy that accumulates during the day for later conversion to electric power in night.

Which of the following is a non-renewable source of energy?

Correct! Wrong!

Non-renewable source of energies are those which were produced in the past by natural processes, whose supply is limited and cannot be generated by us. Natural gas is a non-renewable source of energy.

Gobar gas plant is based on aerobic degradation of biomass.

Correct! Wrong!

Gobar gas plant is based on anaerobic degradation of biomass, which produces methane.

Which of the following uses conventional source of energy?

Correct! Wrong!

Thermal power plant uses coal which is a conventional source of energy.

CBSE Class 10th Science 14 - Sources of energy MCQs
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