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:

In case of equal voting, who among the following can cast only a casting vote in Lok Sabha?

A) President of India B) Prime Minister of India
C) Chief Justice of India D) Speaker of Lok Sabha
 
Answer & Explanation Answer: D) Speaker of Lok Sabha

Explanation:
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Filed Under: Indian Politics
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Q:

Farad is unit of ___________.

A) Capacitance B) Reactance
C) Electric charge D) Electric conductance
 
Answer & Explanation Answer: A) Capacitance

Explanation:
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Filed Under: Physics
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Q:

Correct the following equation by interchanging the two signs and two numbers.7 x 6 + 5 – 4 = 33

A) –, x and 4, 5 B) x, + and 4, 5
C) +, – and 5, 6 D) x, – and 5, 6
 
Answer & Explanation Answer: C) +, – and 5, 6

Explanation:
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Q:

Improve the bracketed part of the sentence.
She is (the best and wisest) girl in the class.

A) best and wisest B) a best and a wisest
C) the best and the wisest D) No improvement
 
Answer & Explanation Answer: C) the best and the wisest

Explanation:
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Filed Under: Famous Personalities
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Q:

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Advocacy

A) Discouragement B) Advancement
C) Assistance D) Backing
 
Answer & Explanation Answer: A) Discouragement

Explanation:
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Filed Under: English
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Q:

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Ever since Anita lost her job, she has done _________ but wallow in self-pity.

A) none B) nothing
C) no D) never
 
Answer & Explanation Answer: B) nothing

Explanation:
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Filed Under: English
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Q:

Which is the longest bone in the human body?

A) Fibula B) Radius
C) Stapes D) Femur
 
Answer & Explanation Answer: D) Femur

Explanation:
The femur is also the longest bone in the human body. By most measures the femur is the strongest bone in the body.
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Filed Under: Biology
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