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3.2 , motion in plane — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysics3.2 , motion in plane1 Mark
MCQ
A tachometer is a device to measure
  • A
    Speed of rotation
  • ✓
    Gravitational pull
  • C
    Surface tension
  • D
    Tension in a spring
✓

Answer

Correct option: B.
Gravitational pull
b
A tachometer is an instrument designed to measure the rotation speed of a shaft or disk. Tachometers generally measure rotations per minute $(RPM)$ though some models also serve as rate meters and/or totalizers.

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