Physics - 02- A- NTPC SSC-NCERT level
1. A kilowatt-hour is unit of –
(1) Energy
(2) Power
(3) Electric charge
(4) Electric current
Correct Answer
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2. Which of the following is used to split white light into different colours?
(1) Glass slab
(2) Convex lens
(3) Concave lens
(4) Prism
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3. Nuclear reactors used to produce electricity are based on –
(1) Nuclear fission
(2) Nuclear fusion
(3) Cold fusion
(4) Superconductivity
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4. Energy that is produced commercially from coal is called –
(1) Light energy
(2) Kinetic energy
(3) Thermal energy
(4) Potential energy
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5. Which among the following is not a characteristic of transition metals?
(1) Tendency to gain electrons
(2) Low electro negativity
(3) low ionization energy
(4) Malleability
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6. Which one of the following is not a function of the liver?
(1) Regulation of blood sugar
(2) Enzyme activation
(3) Detoxiation
(4) Reproduction
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7. The source of the Sun's energy is the process of –
(1) Photoelectric emission
(2) Nuclear fission
(3) Nuclear fusion
(4) Thermionic emission
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8. A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be -
(1) a parabola
(2) a horizontal straight line
(3) a vertical straight line
(4) a circle
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9. Which of the following is a non-renewable source of energy?
(1) Biogas
(2) Solar
(3) Wind
(4) Coal
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10. Solar energy is converted into chemical energy during –
(1) Transpiration
(2) Photosynthesis
(3) Diffusion
(4) Osmosis
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