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Q:

Instrument for measuring wind velocity is called

A) Coulombmeter B) Anemometer
C) Cyanometer D) Chronometer
 
Answer & Explanation Answer: B) Anemometer

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Q:

A galvanometer can be converted to a voltmeter by connecting

A) a high resistance in parallel B) a high resistance in series
C) a low resistance in series D) a low resistance in parallel
 
Answer & Explanation Answer: B) a high resistance in series

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Q:

Unit of impedance is ___________.

A) ohm B) henry
C) tesla D) hertz
 
Answer & Explanation Answer: A) ohm

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Q:

The unit of which physical quantity is not pascal?

A) Moment of inertia B) Pressure
C) Stress D) Young's modulus
 
Answer & Explanation Answer: A) Moment of inertia

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Q:

Which among the following is false about displacement?

A) It can be positive, negative or zero B) Displacement is never greater than Distance
C) Its SI unit is meter D) It is always positive
 
Answer & Explanation Answer: D) It is always positive

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2 807
Q:

The unit of measurement of noise is

A) Decibel B) Hertz
C) Amplifier D) Acoustics
 
Answer & Explanation Answer: A) Decibel

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1 806
Q:

According to the Second Law of Motion, for a given force, acceleration is inversely proportional to the ____ of an object.

A) density B) volume
C) force D) mass
 
Answer & Explanation Answer: D) mass

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Q:

Which of the following is not a vector quantity?

A) Momentum B) Displacement
C) Torque D) Speed
 
Answer & Explanation Answer: D) Speed

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