Questions

Q:

A  photon  of  X-ray  has  energy  of  1  keV.  A photon of visible radiation has energy of 3 eV.  In  this  context,  which  one  of  the following statements is not correct?

A) The wavelength of X-ray photon is less than the wavelength of visible radiation photon. B) Both    the    photons    have    different energies.
C) The  speeds  of  both  the  photons  in vacuum are different D) The   frequency   of   X-ray   photon   is higher  than  the  frequency  of  visible radiation photon.
 
Answer & Explanation Answer: C) The  speeds  of  both  the  photons  in vacuum are different

Explanation:

The speed of all the electromagnetic radiation are always   same   and   equal   to   the numerical value 3 x 10^8m/sec.

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Q:

The atomic bomb is based on the principle of

A) Uncontrolled nuclear fusion B) Uncontrolled nuclear fission
C) Controlled nuclear fission D) Controlled nuclear fusion
 
Answer & Explanation Answer: B) Uncontrolled nuclear fission

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

Study of snakes

 

A) Philology B) Phrenology
C) Ophilogy D) Upology
 
Answer & Explanation Answer: C) Ophilogy

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

To proclaim widely or loudly.

 

A) to trumpet B) to herald
C) to manifest D) to blazon
 
Answer & Explanation Answer: A) to trumpet

Explanation:
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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

 

I express my gratitudes(A)/to all those who(B)/have voted for me.(C)/No error(D)

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:
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Q:

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

 

I cook almost every day, but even the thought of producing that quantum of food (daunt) for me.

 

A) is daunting B) was daunted
C) has daunting D) no improvement
 
Answer & Explanation Answer: A) is daunting

Explanation:
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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

Her knowledge in English (A) / gives her great advantage (B) / over me. (C) / No Error (D)

A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

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Q:

Burzil Pass is situated in which of the following states?

A) Himachal Pradesh B) Jammu and Kashmir
C) Sikkim D) Uttarakhand
 
Answer & Explanation Answer: B) Jammu and Kashmir

Explanation:
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