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 Physics Questions

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Q:

What is the SI unit of Force?

A) Pascal B) Boyle
C) Newton D) Watt
 
Answer & Explanation Answer: C) Newton

Explanation:
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0 1309
Q:

Instrument for measuring low temperatures is called

A) Diagometer B) Cryometer
C) Chromatoptometer D) Cymometer
 
Answer & Explanation Answer: D) Cymometer

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3 1308
Q:

A body in equilibrium _______.

A) can move with constant acceleration B) is always at rest
C) can move with constant velocity D) can move with variable acceleration
 
Answer & Explanation Answer: C) can move with constant velocity

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2 1304
Q:

Which  one  of  the following  is  the  value  of one nanometer?

A) 10-7 cm B) 10-6 cm
C) 10-4  cm D) 10-3  cm
 
Answer & Explanation Answer: A) 10-7 cm

Explanation:

1 nanometer (nm) of length

Equals: 0.00000010 centimetres (cm) in length.

This is equal to 10^-7 cm.

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0 1301
Q:

Light travels fastest in

A) Nitrogen B) Air
C) Steel D) Vacuum
 
Answer & Explanation Answer: D) Vacuum

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0 1301
Q:

What will be the force of attraction between two bodies weighing 20 kg and 50 kg, respectively, with a distance of 2 metre between them?

 

A) 16.675 x 10-11 N B) 166.75 x 10-10 N
C) 6.67 x 10-11 N D) 16.67 x 5-10 N
 
Answer & Explanation Answer: B) 166.75 x 10-10 N

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2 1301
Q:

When a number of resistance are connected in ___, their combined resistance is less than the smallest individual resistance.

 

A) parallel B) horizontal
C) series D) box
 
Answer & Explanation Answer: A) parallel

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0 1301
Q:

In the equation of motion 2as = v2 - u2, s represents _________________.

A) speed B) displacement  
C) velocity D) acceleration
 
Answer & Explanation Answer: B) displacement  

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