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Q:

A wooden block of mass m1 kg accelerates at m/s when a force of 5 N acts on it. Another block of mass m2 kg accelerates at 20 m/s when the same force acts on it. If both the blocks are tied together and the same force acts on their combination, the acceleration will be about

 

A) 6.67 m/s2 B) 1.67 m/s2
C) 5.67 m/s2 D) 4.67 m/s2
 
Answer & Explanation Answer: A) 6.67 m/s2

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Q:

What is the noise level of normal conversation?

A) About 60 dB B) About 70 dB
C) About 80 dB D) About 90 dB
 
Answer & Explanation Answer: A) About 60 dB

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Q:

What is study of fungus known as?

A) Physiology B) Phrenology
C) Mycology D) Biology
 
Answer & Explanation Answer: C) Mycology

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Q:

As per the Constitution of India, who is authorized to transfer the Judge of one High Court to another?

A) The Chief Justice of India B) The Prime Minister of India
C) The President of India D) Any of the Judges of the Supreme Court
 
Answer & Explanation Answer: C) The President of India

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Q:

Which of the following areas make the largest contribution to national income in India?

A) Industry B) Services
C) Agriculture D) Mining
 
Answer & Explanation Answer: B) Services

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) Ethical B) Genuine
C) Prejudiced D) Reliable
 
Answer & Explanation Answer: C) Prejudiced

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Q:

Which of the following does not hold true for Animal belonging to Phylum Chordate?

A) Notochord present B) Pharynx perforated by gill slits.
C) Heart is dorsal (if present) D) A post-anal part (tail) is present
 
Answer & Explanation Answer: C) Heart is dorsal (if present)

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Q:

‘Plum  Pudding  Model’  for  an  atom  was proposed by

A) Antoine Lavoisier B) Robert Boyle
C) Ernest Rutherford D) J. J. Thomson
 
Answer & Explanation Answer: D) J. J. Thomson

Explanation:

The   first   model   of   atom   was proposed   by   J.   J.   Thomson   in 1898.According  to  this  model,  the positive   charge   of   the   atom   is uniformly   distributed   throughout the  volume  of  the  atom  and  the negatively  charged  electrons  are embedded  in  it  like  seeds  in  a watermelon.    This    model    was picturesquely  called  plum  pudding model of the atom

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