22500+ Important MCQs for NDA

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Learn NDA MCQs with answers [Page 11 of Department 57]

B

Brijesh Goswami • 9.45K Points
Tutor III Physics

101) Which of the law of thermodynamics states that there is always a loss of energy in any transfer of energy ?

  • (A) First
  • (B) Second
  • (C) Third
  • (D) None of the above
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

K

Kartik Sharma • 7.98K Points
Tutor III Politics

102) What is the full form of the Indian Political Party, "CPI"?

  • (A) Common Party of India
  • (B) Commonly Party of India
  • (C) Communist Party of India
  • (D) Community Party of India
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Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

M

Mahesh Chandra • 6.28K Points
Tutor III Physics

104) Specific gravity is defined as the ratio of

  • (A) Density of the substance to the density of water
  • (B) Density of the substance to the density of water at 0°C
  • (C) Density of water at 4°C to the density of the substance
  • (D) Density of the substance to the density of water at 4°C
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Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

M

Mahesh Chandra • 6.28K Points
Tutor III Physics

105) The cause for the Tsunami, as deduced by the seismologists, is

  • (A) Gravitational pull of the moon
  • (B) Low pressure trough in the ocean
  • (C) Deformation of sea floor and vertical displacement of water
  • (D) Sudden change in the monsoon wind
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Correct Answer - Option (C)

Explanation :

Seismologists say only earthquakes measuring greater than 7.0 on the Richter scale can produce a major tsunami. The friction between two slow-moving plates of the Earth's crust creates vast amounts of seismic energy which is released in the form of an earthquake.

M

Mahesh Chandra • 6.28K Points
Tutor III Physics

106) Which statement best describes an igneous intrusion?

  • (A) Igneous intrusion for when ice crystals splash into lava
  • (B) Magma is injected into surrounding rock forming an igneous intrusive
  • (C) Magma is exported to an open area and forms iron
  • (D) Magma explodes to the surface and forms a smooth outer layer of rock
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Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

M

Mahesh Chandra • 6.28K Points
Tutor III Physics

109) To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor

  • (A) Should be made of a good conductor but can be of any shape
  • (B) Should be in the form of a vertical rod
  • (C) Can be of any shape
  • (D) Should be made of a good conductor like copper with sharp-pointed edges
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Correct Answer - Option (D)

Explanation :

To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor should be made of a good conductor like copper with sharp-pointed edges.

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