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 Physics Questions

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Q:

Which one of the following is the correct sequence of passage of light in a compound microscope?

A) Condenser -Objective lens -Eye -piece -Body tube B) Objective lens -Condenser -Body tube -Eye piece
C) Condenser -Objective lens -Body tube -Eyepiece D) Eyepiece -Objective lens -Body tube -Mirror
 
Answer & Explanation Answer: C) Condenser -Objective lens -Body tube -Eyepiece

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2 1907
Q:

Supercooling is cooling of liquid _____.

A) below melting point B) below freezing point
C) at melting point D) above melting point
 
Answer & Explanation Answer: B) below freezing point

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2 1907
Q:

Bandwidth is the

A) a measure of the width of a range of frequencies B) the rate of data transfer
C) both a & b D) None of the above
 
Answer & Explanation Answer: C) both a & b

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5 1906
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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0 1902
Q:

_____ is same on every point on a rotating body.

A) Linear velocity B) Linear momentum
C) Angular torque D) Angular velocity
 
Answer & Explanation Answer: D) Angular velocity

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0 1901
Q:

The power of an earthquake is expressed in terms of a magnitude on a scale called __________ scale.

A) Schmitt B) Hutton
C) Werner D) Richter  
 
Answer & Explanation Answer: D) Richter  

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1 1901
Q:

During _____________ motion of an object along a straight line, the velocity remains constant with time.

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

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1 1896
Q:

Two vectors are said to be equal if

A) only their magnitudes are same B) only their directions are same
C) both magnitude and direction are same D) magnitudes are same but directions are opposite
 
Answer & Explanation Answer: C) both magnitude and direction are same

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1 1896