Physics Questions

Q:

Instrument for measuring rainfall is called

A) Lucimeter B) Galactometer
C) Hyetometer D) Hygrometer
 
Answer & Explanation Answer: C) Hyetometer

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Q:

In a sound wave compressions are regions where density _________________________

A) as well as pressure is high B) as well as pressure is low
C) is high and pressure is low D) is low and pressure is high
 
Answer & Explanation Answer: A) as well as pressure is high

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Q:

Anemometer is an instrument meant for measuring __________

A) velocity B) air masses
C) wind speed D) temperature
 
Answer & Explanation Answer: C) wind speed

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Q:

Electric Motor converts _____ energy to mechanical energy

A) sound B) mechanical
C) chemical D) electrical
 
Answer & Explanation Answer: D) electrical

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Q:

___________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.

A) First law of thermodynamics B) Hooke's Law
C) The coulomb's law D) Faraday's Law
 
Answer & Explanation Answer: A) First law of thermodynamics

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Q:

Where is a transistor most likely to be found ?

A) Wrist watch B) Fuse
C) Hearing aid D) Fluorescent lamp
 
Answer & Explanation Answer: C) Hearing aid

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Q:

Meter in a vehicle that calculates distance covered by the vehicle is called __________.

A) Speedometer B) Odometer
C) Thermometer D) Kilometre
 
Answer & Explanation Answer: B) Odometer

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Q:

_____________________ states that the total current entering a junction is equal to the total current leaving the junction.

A) Lenz's Law B) Hooke's Law
C) Ohm's Law D) Kirchhoff's First Law
 
Answer & Explanation Answer: D) Kirchhoff's First Law

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