Physics Questions

Q:

If the force applied on the object is in the direction of its motion, the speed of the object __________.

A) increases B) stops
C) decreases D) no effect
 
Answer & Explanation Answer: A) increases

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Q:

If a ball is thrown vertically upwards with a velocity of 40 m/s, then what will be the magnitude of its displacement after 6 s?

A) 80 m B) 40 m
C) 60 m D) 20 m
 
Answer & Explanation Answer: C) 60 m

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Q:

When a compressed slinky is released it converts potential energy into

A) Heat energy B) Mechanical energy
C) Chemical energy D) Kinetic energy
 
Answer & Explanation Answer: D) Kinetic energy

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Q:

_________________ is a measure of the moisture in air.

A) Density B) Viscosity
C) Impurity D) Humidity
 
Answer & Explanation Answer: D) Humidity

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Q:

What is the unit of the physical quantity "Capacitance"?

A) weber B) farad
C) tesla D) ohm
 
Answer & Explanation Answer: B) farad

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Q:

Which of the following is Inexhaustible Natural Resources?

A) Air B) Minerals
C) Forests D) Coal
 
Answer & Explanation Answer: A) Air

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Q:

Calculate the pressure (in Pa) if a thrust of 800 N is applied to an area of 16 m2.

A) 128 B) 100
C) 64 D) 50
 
Answer & Explanation Answer: D) 50

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Q:

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is same as that of earth and radius is twice as that of earth is _________________.

A) g/4 B) g/2
C) 4g D) 2g
 
Answer & Explanation Answer: A) g/4

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