1. Electromagnetic force is –
- Attractive in nature
- Repulsive in nature
- Attractive as well as repulsive in nature
- None of these
[su_spoiler title=”View Answer ” style=”fancy”]Attractive as well as repulsive in nature [/su_spoiler]
2. Which of the following force is not a fundamental force in nature?
- Gravitational force
- Electromagnetic force
- Strong nuclear force
- Tension
[su_spoiler title=”View Answer ” style=”fancy”]Gravitational force [/su_spoiler]
3. Strongest force in nature –
- Gravitational force
- Weak force
- Electromagnetic force
- Nuclear force
[su_spoiler title=”View Answer ” style=”fancy”]Nuclear force [/su_spoiler]
4. Which of the following fundamental forces is the strongest force?
- Gravitational force
- The electromagnetic force
- Strong nuclear force
- Weak nuclear force
[su_spoiler title=”View Answer ” style=”fancy”]Strong nuclear force[/su_spoiler]
5. Which of the following is the fundamental unit?
- Length, Force, Time,
- Length, Mass, Time,
- Mass, Volume, Height.
- Mass, Velocity, Pressure
[su_spoiler title=”View Answer ” style=”fancy”]Length, Mass, Time, [/su_spoiler]
6. 1 Fermi –
- 10⁻¹⁵mm
- 10⁻¹⁵cm
- 10⁻¹⁴m
- 10⁻¹⁵m
[su_spoiler title=”View Answer ” style=”fancy”]10⁻¹⁵m [/su_spoiler]
7. 1 Newton is equivalent to –
- 10⁴ dyne
- 10⁵ dyne
- 10⁶ dyne
- 10⁷ dyne
[su_spoiler title=”View Answer ” style=”fancy”]10⁵ dyne [/su_spoiler]
8. 1 micron is equal to –
- 10⁹ meter
- 10⁻¹² meter
- 10⁻⁶ meter
- 10⁻¹⁵ meter
[su_spoiler title=”View Answer ” style=”fancy”]10⁻⁶ meter [/su_spoiler]
9. 1 amu is equal to –
- 1.66 × 10⁻²⁴ kg
- 1.66 × 10⁻²⁷ kg
- 1.66 × 10⁻²⁵ kg
- 1.66 × 10⁻³⁰ kg
[su_spoiler title=”View Answer ” style=”fancy”]1.66 × 10⁻²⁷ kg[/su_spoiler]
10. 1 nanometer is equal to –
- 10⁹ mm
- 10⁻⁶ cm
- 10-⁷ cm
- 10-⁹ m
[su_spoiler title=”View Answer ” style=”fancy”]10-⁹ m[/su_spoiler]
11. SI unit of work is Joule and it is equivalent to –
- 10⁵ erg
- 10⁶ erg
- 10-⁷ erg
- 10⁷ erg
[su_spoiler title=”View Answer ” style=”fancy”]10⁷ erg [/su_spoiler]
12. 1 light-year =
- 9.46 x 10¹⁵ m
- 94.6 x 10⁻¹⁵ m
- 3.08 x 10⁻¹⁴ m
- None of these
[su_spoiler title=”View Answer ” style=”fancy”]9.46 x 10¹⁵ m [/su_spoiler]
13. 1 parsec =
- 3 x 10⁸ m
- 3.08 x 10¹⁶ m
- 9.46 x 10¹⁵ m
- of these
[su_spoiler title=”View Answer ” style=”fancy”]3.08 x 10¹⁶ m[/su_spoiler]
14. I angstrom ( 1Å ) –
- 10⁻¹⁵ m
- 10⁻¹⁰ m
- 10⁻¹⁰ cm
- 10⁻¹⁵ cm
[su_spoiler title=”View Answer ” style=”fancy”]10⁻¹⁰ m [/su_spoiler]
15. Parsec is the unit of –
- Time
- Distance
- Frequency
- Speed Ans
[su_spoiler title=”View Answer ” style=”fancy”]Distance [/su_spoiler]
16. Light year is the unit of –
- Distance
- Time
- Speed
- Intensity of light.
[su_spoiler title=”View Answer ” style=”fancy”]Distance [/su_spoiler]
17. Unit of Angular Momentum is –
- N – m
- kg m/s
- kg.m²/s
- kg².m²/s
[su_spoiler title=”View Answer ” style=”fancy”]kg.m²/s[/su_spoiler]
18. SI unit of Stress is –
- Nm⁻¹
- Nm⁻²
- Nm²
- N-m
[su_spoiler title=”View Answer ” style=”fancy”]Nm⁻²[/su_spoiler]
19. Unit of Magnetic Moment is –
- Am²
- Am⁻¹
- Am
- A/m²
[su_spoiler title=”View Answer ” style=”fancy”]Am² [/su_spoiler]
20. SI unit of Montentum if Inertia is –
- Kgm
- Kgm⁻²
- Kgm²
- Kgm
[su_spoiler title=”View Answer ” style=”fancy”]Kgm [/su_spoiler]
