Physics - 02- A- NTPC SSC-NCERT level

Dec 26, 2020 - 19:49
Dec 26, 2020 - 20:45
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1. A kilowatt-hour is unit of –

(1) Energy
(2) Power
(3) Electric charge
(4) Electric current

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

3. Nuclear reactors used to produce electricity are based on –

(1) Nuclear fission
(2) Nuclear fusion
(3) Cold fusion
(4) Superconductivity

4. Energy that is produced commercially from coal is called –

(1) Light energy
(2) Kinetic energy
(3) Thermal energy
(4) Potential energy

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

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

7. The source of the Sun's energy is the process of –

(1) Photoelectric emission
(2) Nuclear fission
(3) Nuclear fusion
(4) Thermionic emission

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

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

(1) Biogas
(2) Solar
(3) Wind
(4) Coal

10. Solar energy is converted into chemical energy during –

(1) Transpiration
(2) Photosynthesis
(3) Diffusion
(4) Osmosis

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