Most Important Physics GK || Physics Questions And Answers || Physics GK

Most Important Physics GK || Physics Questions And Answers || Physics GK
R S GK
Most Important Physics GK || Physics Questions And Answers || Physics GK
1. The unit of length, mass and time are-
a) Fundamental units
b) Valuable units
c) Derived units
d) S.I. units
2. Which of the following is correct about unit of acceleration ?
a) m/sec²
b) cm/sec²
c) Both are correct
d) None is correct
3. Purity of milk is measured by which equipment ?
a) Barometer
b) Lactometer
c) Hydrometer
d) Voltmeter
4. Speed of light is-
a) 3 × 10⁸ m/s
b) 3 × 10⁸ km/s
c) 3 × 10² km/s
d) 3 × 10⁸ cm/s
5. Dyne × cm/sec is the unit of-
a) Energy
b) Power
c) Force
d) Work
6. 1 Newton is equal to-
a) 10 Dyne
b) 10² Dyne
c) 10⁷ Dyne
d) 10⁵ Dyne
7. 1 Joule is equal to-
a) 10⁷ erg
b) 10² erg
c) 10⁵ erg
d) 10 erg
8. S.I. unit of Density is-
a) Kg/m²
b) newton × metre
c) Kg/m³
d) kg/m
9. Which of the following is a scalar quality ?
a) velocity
b) acceleration
c) force
d) distance
10. The potential difference is measured by an instrument called-
a) Voltmeter
b) Ammeter
c) Dry Cell
d) Lactometer
11. What is the unit of electric power ?
a) Watt
b) Hertz
c) Volt
d) Ampere
12. The least count of Vernier Calipers is-
a) 1 cm
b) 0.1 cm
c) 0.01 cm
d) None of these
13. Unit of electro motive force is-
a) Newton
b) Joule
c) Volt
d) Power
14. How many watts are there in one horse power ?
a) 746
b) 476
c) 360
d) 180
15. Which instrument is used to measure the atmospheric pressure ?
a) Lactometer
b) Barometer
c) Voltmeter
d) Hydrometer
16. Unit of force is-
a) Newton
b) Metre/Second
c) Watt
d) Newton Metre
17. SI unit of work is-
a) Newton
b) Metre/Second
c) Watt
d) Newton Metre
18. Which of the following is scalar quantity ?
a) Electric potential
b) Displacement
c) Magnetic intensity
d) Force
19. Cost of electricity for home use is Rs. 3.00 per unit. This unit is called-
a) 1 Ampere
b) 1 Volt
c) 1 Joule
d) 1 Kilowatt hour
20. Vernier Calipers is used to measuring-
a) Length
b) Weight
c) Curvature
d) None of these
Most Important Physics GK || Physics Questions And Answers || Physics GK
R S GK
Most Important Physics GK || Physics Questions And Answers || Physics GK

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