999+ Physics Questions Answers Explanation MCQ

Q:

If the Distance-Time graph is a straight inclined line then it represents _______________.

A) uniform speed	B) non-uniform speed
C) constant displacement	D) non-uniform velocity

Answer & Explanation Answer: A) uniform speed

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1 1966

Q:

The increasing order of the refractive index of certain materials is (left to right) .......

A) Rocksalt, Benzene, Kerosene, Ice	B) Rock Salt, Ice, Benzene, Kerosene
C) Ice, Kerosene, Benzene, Rock Salt	D) Kerosene, Ice, Benzene, Rock Salt

Answer & Explanation Answer: C) Ice, Kerosene, Benzene, Rock Salt

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1 1965

Q:

A tank filled partially with a liquid is subjected to a uniform horizontal acceleration. Which of the following is true for the surface of liquid in the tank?

A) The liquid surface falls down on the direction of motion and rises up on the back side of the tank	B) The liquid surface falls down only at the center of the tank
C) The surface of the liquid remains horizontal	D) None

Answer & Explanation Answer: A) The liquid surface falls down on the direction of motion and rises up on the back side of the tank

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0 1963

Q:

At what distance from the earth is gravity zero

Answer

Gravitational force is the force that binds everything at the surface of the earth. It holds at what distance from the earth is gravity zero.

Workspace

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1 1956

Q:

What is the SI unit of frequency?

A) Newton	B) Watt
C) Farad	D) Hertz

Answer & Explanation Answer: D) Hertz

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2 1956

Q:

How can we measure specific gravity of milk?

A) Using a viscometer	B) Using an odometer
C) Using a hygrometer	D) Using a hydrometer

Answer & Explanation Answer: D) Using a hydrometer

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2 1955

Q:

Which device is used to measure the depth of ocean?

A) Lexometer	B) Nanometer
C) Fathometer	D) Hydrometer

Answer & Explanation Answer: C) Fathometer

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0 1954

Q:

What is the SI unit of Torque?

A) newton/meter	B) newton meter
C) newton second	D) newton/meter squared

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