14
Q:

If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface?

A) 12N B) 2N
C) 10N D) 6N

Answer:   B) 2N



Explanation:

Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth. 

Therefore 2N i.e (b) is the answer.

Subject: Physics
Exam Prep: AIEEE
Q:

1 horsepower = approximately _____ watts.

 

A) 746 B) 764
C) 647 D) 674
 
Answer & Explanation Answer: A) 746

Explanation:
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3 84
Q:

Which law of physics states that the force between the two electric charges reduces to a quarter of its former value when the distance between them is doubled?

 

A) Coulomb’s Law B) Stefan's Law
C) Pascal's Law D) Hooke's Law
 
Answer & Explanation Answer: A) Coulomb’s Law

Explanation:
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0 215
Q:

What is the unit of measure of a magnetic field?

A) Cobalt B) Ohm
C) Tesla D) Ampere
 
Answer & Explanation Answer: C) Tesla

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2 191
Q:

_______ expansion makes the Eiffel Tower taller during summers.

 

A) Thermal   B) Chemical  
C) Gravitational   D) Gradient  
 
Answer & Explanation Answer: A) Thermal  

Explanation:
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3 1272
Q:

Georg Simon Ohm in whose honour we have the famous Ohm’s Law, hailed from which country?

 

A) Russia B) Spain
C) Poland D) Germany
 
Answer & Explanation Answer: D) Germany

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1 1346
Q:

Purpose of an optical filter is to

A) reflect lights of different colours B) dispense light into component colours
C) refract light of different colours D) transmit or absorb light of different colours
 
Answer & Explanation Answer: D) transmit or absorb light of different colours

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2 183
Q:

Which of the following statements is/are true about the speed of sound in different media at 25°C


A. In steel, the speed of sound is 5960 m/s
B. In nickel, the speed of sound is 6240 km/s

 

A) Only A is true B) Neither A nor B i s true
C) Both A and B are true D) Only B is true
 
Answer & Explanation Answer: A) Only A is true

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3 224
Q:

Momentum = ..............?

 

A) Mass x Acceleration B) Mass / Volume
C) Mass x Velocity D) Mass x Density
 
Answer & Explanation Answer: C) Mass x Velocity

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2 1122