CHAPTER-1,2: PHYSICAL WORLD AND MEASUREMENT

1. Electromagnetic force is –

  • Attractive in nature
  • Repulsive in nature
  • Attractive as well as repulsive in nature
  • None of these
View Answer
Attractive as well as repulsive in nature

2. Which of the following force is not a fundamental force in nature?

  • Gravitational force
  • Electromagnetic force
  • Strong nuclear force
  • Tension
View Answer
Gravitational force

3. Strongest force in nature –

  • Gravitational force
  • Weak force
  • Electromagnetic force
  • Nuclear force
View Answer
Nuclear force

4. Which of the following fundamental forces is the strongest force?

  • Gravitational force
  • The electromagnetic force
  • Strong nuclear force
  • Weak nuclear force
View Answer
Strong nuclear force

5. Which of the following is the fundamental unit?

  • Length, Force, Time,
  • Length, Mass, Time,
  • Mass, Volume, Height.
  • Mass, Velocity, Pressure
View Answer
Length, Mass, Time,

6. 1 Fermi –

  • 10鈦宦光伒mm
  • 10鈦宦光伒cm
  • 10鈦宦光伌m
  • 10鈦宦光伒m
View Answer
10鈦宦光伒m

7. 1 Newton is equivalent to –

  • 10鈦 dyne
  • 10鈦 dyne
  • 10鈦 dyne
  • 10鈦 dyne
View Answer
10鈦 dyne

8. 1 micron is equal to –

  • 10鈦 meter
  • 10鈦宦孤 meter
  • 10鈦烩伓 meter
  • 10鈦宦光伒 meter
View Answer
10鈦烩伓 meter

9. 1 amu is equal to –

  • 1.66 脳 10鈦宦测伌 kg
  • 1.66 脳 10鈦宦测伔 kg
  • 1.66 脳 10鈦宦测伒 kg
  • 1.66 脳 10鈦宦斥伆 kg
View Answer
1.66 脳 10鈦宦测伔 kg

10. 1 nanometer is equal to –

  • 10鈦 mm
  • 10鈦烩伓 cm
  • 10-鈦 cm
  • 10-鈦 m
View Answer
10-鈦 m

11. SI unit of work is Joule and it is equivalent to –

  • 10鈦 erg
  • 10鈦 erg
  • 10-鈦 erg
  • 10鈦 erg
View Answer
10鈦 erg

12. 1 light-year =

  • 9.46 x 10鹿鈦 m
  • 94.6 x 10鈦宦光伒 m
  • 3.08 x 10鈦宦光伌 m
  • None of these
View Answer
9.46 x 10鹿鈦 m

13. 1 parsec =

  • 3 x 10鈦 m
  • 3.08 x 10鹿鈦 m
  • 9.46 x 10鹿鈦 m
  • of these
View Answer
3.08 x 10鹿鈦 m

14. I angstrom ( 1脜 ) –

  • 10鈦宦光伒 m
  • 10鈦宦光伆 m
  • 10鈦宦光伆 cm
  • 10鈦宦光伒 cm
View Answer
10鈦宦光伆 m

15. Parsec is the unit of –

  • Time
  • Distance
  • Frequency
  • Speed Ans
View Answer
Distance

16. Light year is the unit of –

  • Distance
  • Time
  • Speed
  • Intensity of light.
View Answer
Distance

17. Unit of Angular Momentum is –

  • N – m
  • kg m/s
  • kg.m虏/s
  • kg虏.m虏/s
View Answer
kg.m虏/s

18. SI unit of Stress is –

  • Nm鈦宦
  • Nm鈦宦
  • Nm虏
  • N-m
View Answer
Nm鈦宦

19. Unit of Magnetic Moment is –

  • Am虏
  • Am鈦宦
  • Am
  • A/m虏
View Answer
Am虏

20. SI unit of Montentum if Inertia is –

  • Kgm
  • Kgm鈦宦
  • Kgm虏
  • Kgm
View Answer
Kgm

 

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