Practice Question and Answer

Q:

Borra caves are situated on the East Coast of India in which of the following hills?

1250 0

  • 1
    Horsley Hills
    Correct
    Wrong
  • 2
    Nagari Hills
    Correct
    Wrong
  • 3
    Ananthagiri Hill
    Correct
    Wrong
  • 4
    Nallamala Hills
    Correct
    Wrong
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Answer : 3. "Ananthagiri Hill"

Q:

Consider an inductor whose linear dimensions are tripled and the total number of turns per unit length is kept constant, what happens to the self-inductance?

1250 0

  • 1
    9 times
    Correct
    Wrong
  • 2
    3 times
    Correct
    Wrong
  • 3
    27 times
    Correct
    Wrong
  • 4
    1/3 times
    Correct
    Wrong
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Answer : 2. "3 times "

Q:

What does an electric dipole experience when it is kept in the non-uniform electric field?

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  • 1
    Only a force
    Correct
    Wrong
  • 2
    Only torque
    Correct
    Wrong
  • 3
    Force and torque both
    Correct
    Wrong
  • 4
    Neither force nor torque
    Correct
    Wrong
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Answer : 3. "Force and torque both"
Explanation :

An electric dipole always experiences a torque when placed in uniform as well as non-uniform electric field. But in non-uniform electric field, dipole will also experience net force of attraction. So the electric dipole in non-uniform electric field experiences both torque and force.


Q:

Rajkumar, a teacher and sitar player in Delhi, has registered his name by playing sitar continuously for 30 hours?

1250 0

  • 1
    Limca Book
    Correct
    Wrong
  • 2
    Geneva Book
    Correct
    Wrong
  • 3
    Guinness Book of Records
    Correct
    Wrong
  • 4
    India Book
    Correct
    Wrong
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Answer : 3. "Guinness Book of Records"

Q:

Simplify $$ ({Sinθ\over{1+cosθ}}+{1+cosθ\over sinθ})({1\over (tanθ+cotθ)})$$

1250 0

  • 1
    $$ {cos{\ θ}}$$
    Correct
    Wrong
  • 2
    $$ {2sin{\ θ}}$$
    Correct
    Wrong
  • 3
    $$ {sin{\ θ}}$$
    Correct
    Wrong
  • 4
    $$ {2cos{\ θ}}$$
    Correct
    Wrong
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Answer : 4. "$$ {2cos{\ θ}}$$"

Q:

Which team's wicketkeeper-batsman BJ Watling has announced he would be retiring from international cricket after World Test Championship?

1250 0

  • 1
    England
    Correct
    Wrong
  • 2
    New Zealand
    Correct
    Wrong
  • 3
    South Africa
    Correct
    Wrong
  • 4
    Australia
    Correct
    Wrong
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Answer : 2. "New Zealand"

Q:

The supercomputer named 'Simorgh' has been developed by which country?

1250 0

  • 1
    Iran
    Correct
    Wrong
  • 2
    France
    Correct
    Wrong
  • 3
    Finland
    Correct
    Wrong
  • 4
    South Korea
    Correct
    Wrong
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Answer : 1. "Iran"

Q:

‘नायक’ शब्द का विच्छेद होगा –

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  • 1
    नै + अक
    Correct
    Wrong
  • 2
    नै + आक
    Correct
    Wrong
  • 3
    ने: + यक
    Correct
    Wrong
  • 4
    ने: + अक
    Correct
    Wrong
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Answer : 1. "नै + अक"

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