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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Filed Under: Physics
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Q:

What is the connection between National Sovereignty and Demilitarization?

Answer

National Sovereignty is the condition of a nation that has self-rule, a stable government and the right to exist without interference from other nations.


Whereas


Demilitarization is the process of reducing and even eliminating the armed forces of a nation.

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Subject: World History Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To go through fire and water

A) To scold someone B) To experience many dangers in order to achieve something
C) To act without restraints D) Something which hurts
 
Answer & Explanation Answer: B) To experience many dangers in order to achieve something

Explanation:
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Filed Under: English
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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.
Man behaving more like a woman than as a man

A) Biped B) Effeminate
C) Gregarious D) Inalienable
 
Answer & Explanation Answer: B) Effeminate

Explanation:
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Q:

Which base is present in lime water?

A) Sodium hydroxide B) Magnesium hydroxide
C) Calcium hydroxide D) Ammonium hydroxide
 
Answer & Explanation Answer: C) Calcium hydroxide

Explanation:
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Filed Under: Chemistry
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Q:

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

He dislikes the word, isn't he?

A) doesn't he? B) didn't he?
C) does he? D) No improvement
 
Answer & Explanation Answer: A) doesn't he?

Explanation:
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Filed Under: English
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Q:

A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.


My brother, David, was always close to our grandmother. Both of them shared a love of Mother Nature and of food that they had grown themselves. Whenever his schedule permitted, he would drop in for a short visit and a cup of coffee. One day, when he found no one home, he left a chunk of dirt on her porch. This started what was later to be known as his "calling card". Grandmother would come home occasionally and instantly know that Dave had been by when she spotted the chunk of dirt on her porch.

Although Grandmother had a poor upbringing in Italy, she managed to do well in the United States. She was always healthy and independent and enjoyed a fulfilling life. Recently she had a stroke and died. Everyone was saddened by her death. David was disconsolate. His life­long friend was now gone.

Grandmother used to be _____ .

A) rich in Italy but poor in the United States B) in the United States but is now in Italy
C) poor earlier but became rich later on D) rich earlier but now poor
 
Answer & Explanation Answer: C) poor earlier but became rich later on

Explanation:
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Q:

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

One who sets type for books, newspapers, etc.

A) Typist B) Editor
C) Composer D) Compositor
 
Answer & Explanation Answer: D) Compositor

Explanation:
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