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Q:

A   parallel-plate   capacitor,with   air   in between  the  plates,  has  capacitance  C. Now  the  space  between  the  two  plates  of the  capacitor  is  filled  with  a  dielectric  of dielectric constant 7. Then the value of the capacitance will become

A) C B) C/7
C) 7C D) 14C
 
Answer & Explanation Answer: C) 7C

Explanation:

As  the  capacitance  is  charged  by the  factor  equal  to  the  value  of dielectric constant, Hence, C’ = kC = 7C

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Filed Under: Physics
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Q:

If the mass of an object is 60 kgs, what will be its weight on the moon? (N=Newton)

A) 60N B) 600N
C) 100N D) 10N
 
Answer & Explanation Answer: C) 100N

Explanation:
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Q:

The Poona Pact was signed between Mahatma Gandhi and __________.

A) Muhammad Ali Jinnah B) Lord Irwin
C) Subhash Chandra Bose D) B. R. Ambedkar
 
Answer & Explanation Answer: D) B. R. Ambedkar

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Q:

Enzymes are important because they

A) maintain cell shape B) transfer genetic information
C) contain water D) speeds up chemical reactions
 
Answer & Explanation Answer: D) speeds up chemical reactions

Explanation:

Enzymes in the body are those which play an important role of breaking down the larger molecules to small and speeds up the chemical reactions.

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Q:

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Mandatory

A) Optional B) Voluntary
C) Essential D) Unnecessary
 
Answer & Explanation Answer: C) Essential

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Filed Under: English
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Q:

In the following question, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

A) Fanatiecism B) Femininity
C) Flippant D) Fortuitous
 
Answer & Explanation Answer: A) Fanatiecism

Explanation:
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Q:

Adding which substance gives blue colour to glass?

A) Manganese oxide B) Cobalt oxide
C) Chromium oxide D) Iron oxide
 
Answer & Explanation Answer: B) Cobalt oxide

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Q:

Which among the following has lowest electron affinity?

A) Fluorine B) Chlorine
C) Bromine D) Argon
 
Answer & Explanation Answer: D) Argon

Explanation:
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Filed Under: Chemistry
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