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QUESTIONS ON SOLAR ENERGY

                                       QUESTIONS
                                            ON
                                          SOLAR
                                          ENERGY


Question 1

Question:   Solar constant is _______.
1.140 Wm-2
2.1.4 Wm-2
3.1.4 kWm-2
4.1.4 MWm-2
Answer:    3

Question 2

Question:   The radiation in the sunlight that gives us the feeling of hotness is ______.
1.visible radiation
2.infra-red
3.red
4.ultra-violet
Answer:    2

Question 3

Question:   Which of the following is not a bio-mass source?
1.Gobar gas
2.Coal
3.Wood
4.Nuclear energy
Answer:    4

Question 4

Question:   The energy which is not derived from the sun is ______.
1.bio-mass
2.fossil fuels
3.nuclear energy
4.geo-thermal energy
Answer:    3

Question 5

Question:   Harmful radiation emitted by the sun is ______.
1.visible
2.infra-red
3.ultra-violet
4.radio waves
Answer:    3

Question 6

Question:   A substance which produces a lot of heat on burning is called ______.
1.oxidising agent
2.biogas
3.biomass
4.fuel
Answer:    4

Question 7

Question:   Fuel formed under the earth's surface by the decomposition of organic matter is called ______.
1.organic fuel
2.biogas
3.fossil fuel
4.under ground fuel
Answer:    3

Question 8

Question:   Which of the following causes the least pollution when burnt?
1.Petrol
2.Diesel
3.Coal
4.Natural gas
Answer:    4

Question 9

Question:   The main constituent of LPG is ______.
1.methane
2.butane
3.hydrogen
4.propane
Answer:    2

Question 10

Question:   The main constituent of CNG is ______.
1.methane
2.butane
3.ethane
4.propane
Answer:    1

Question 11

Question:   Which of these is not a renewable source of energy?
1.The sun
2.Natural gas
3.Wind
4.Ocean tidal energy
Answer:    2

Question 12

Question:   The radiations absorbed by ozone layer are ______.
1.infra-red
2.ultra-violet
3.visible
4.gamma rays
Answer:    2

Question 13

Question:   The radiations emitted by a hot furnace are ______.
1.ultra-violet
2.infra-red
3.X-rays
4.micro waves
Answer:    2

Question 14

Question:   The radiations emitted by the sun and responsible for the cause of skin cancer are ______.
1.infra-red
2.X-rays
3.micro-waves
4.ultra-violet
Answer:    4

Question 15

Question:   The efficiency of the solar cooker can be increased by placing a ______.
1.plane mirror
2.convex mirror
3.convex lens
4.concave lens
Answer:    1

Question 16

Question:   The maximum temperature that can be attained in a box-type solar cooker is ______.
1.200 oC
2.140 oC
3.80 oC
4.250 oC

Answer:    2

Question 17

Question:   A solar cell is made up of ______.
1.silicon
2.titanium
3.magnesium
4.teflon
Answer:    1

Question 18

Question:   Which of the following is not combustible?
1.oxygen
2.hydrogen
3.butane
4.methane
Answer:    1

Question 19

Question:   The lid of the solar cooker is made up of ______.
1.plastic sheet
2.black sheet
3.plane mirror
4.glass
Answer:    4

Question 20

Question:   In a solar panel, the metal used is ______.
1.gold
2.copper
3.silver
4.nickel
Answer:    3

Question 21

Question:   A solar cell converts ______.
1.heat energy into electrical energy
2.solar energy into electrical energy
3.heat energy into light energy
4.solar energy into light energy
Answer:    2

Question 22

Question:   Floating generators are used in the sea to harness ______.
1.tidal energy
2.wave energy
3.hydel energy
4.energy from OTEC power plant
Answer:    2

Question 23

Question:   The temperature difference between the upper layers and the deeper layers of the ocean should be ______ to install an OTEC power plant.
1.40 oC
2.50 oC
3.20 oC
4.30 oC

Answer:    3

Question 24

Question:   The molten material mixed with gases in the mantle of the earth is called ______.
1.core
2.lava
3.geyser
4.magma
Answer:    4

Question 25

Question:   The scientist who first carried out critical nuclear fission reactionis ______.
1.Otto Hahn
2.Enrico Fermi
3.Hans Bethe
4.Einstein
Answer:    2

Question 26

Question:   The source of energy of the sun is ______.
1.nuclear fission
2.chemical reaction
3.nuclear fusion
4.photoelectric effect
Answer:    3

Question 27

Question:   India exploded her first underground nuclear device at ______.
1.Kota
2.Ranchi
3.Jaipur
4.Pokhran
Answer:    4

Question 28

Question:   The energy of a thermal neutron is about ______.
1.0.025 ev
2.0.25 ev
3.0.0025 ev
4.0.00025 ev
Answer:    1

Question 29

Question:   The fuel used in the nuclear reactor is ______.
1.Cadmium
2.Radium
3.Uranium
4.Thorium
Answer:    3

Question 30

Question:   Nuclear fusion reactions happens spontaneously in ______.
1.the core of the earth
2.the commercial nuclear reactor
3.the atmosphere of the sun
4.the eruption of a volcano
Answer:    3

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