Physics Questions

Q:

As the object covers unequal distances in equal intervals of time, it is said to be in ____________ motion.

A) uniform B) linear
C) non-uniform D) equilibrium
 
Answer & Explanation Answer: C) non-uniform

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Q:

The frictional force exerted by fluids is also called ________.

A) drag B) buoyancy
C) upthrust D) convection
 
Answer & Explanation Answer: A) drag

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Q:

What type of electromagnetic radiation is used in the remote control of a television?

A) Ultraviolet B) Visible
C) Infrared D) None of the above
 
Answer & Explanation Answer: C) Infrared

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Q:

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

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

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Q:

The numerical value of a physical quantity is its _______________.

A) vector B) magnitude
C) direction D) property
 
Answer & Explanation Answer: B) magnitude

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Q:

Find arc elasticity of demand, if quantity demanded falls from 1000 to 950 when price of the item is increased from Rs. 240 to Rs. 280?

A) 0.33 B) 0.3
C) -0.3 D) -0.33
 
Answer & Explanation Answer: D) -0.33

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Q:

On which principle does the hydraulic lift works?

A) Newton's law B) Pascal's law
C) Archimedes's law D) Joule's law
 
Answer & Explanation Answer: B) Pascal's law

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Q:

What is the unit of the physical quantity "Young's modulus"?

A) newton B) erg
C) joule D) pascal
 
Answer & Explanation Answer: D) pascal

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