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Learn SSC CGL MCQs with answers [Page 1 of Department 71]

C

Chandani • 9.55K Points
Tutor III

1) Superconductors are substances which

(A) conduct electricity at low temperature
(B) offer high resistance to the flow of current
(C) offer no resistance to the flow of electricity
(D) conduct electricity at high temperatures
Correct Answer - Option (C)

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

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C

Chandani • 9.55K Points
Tutor III

3) Railway tracks are banked on curves

(A) necessary centrifugal force may be obtained from the horizontal component weight of the train
(B) to avoid frictional force between the tracks and wheels
(C) necessary centripetal force may be obtained from the horizontal component of the weight of the train
(D) the train may not fly off in the opposite direction
Correct Answer - Option (C)

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

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C

Chandani • 9.55K Points
Tutor III

4) On a cold day when a room temperature is 15 degree C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15 degree C, because

(A) metals have higher thermal capacity than plastics
(B) plastics have a lower density than metals
(C) metals are good conductor of heat
(D) plastics have a higher thermal conductivity than metals
Correct Answer - Option (C)

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

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C

Chandani • 9.55K Points
Tutor III

5) Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

(A) 1.8 km, 0.15 km
(B) 2.2 km, 0.20 km
(C) 2.8 km, 0.25 km
(D) 3.3 km, 0.30 km
Correct Answer - Option (D)

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

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C

Chandani • 9.55K Points
Tutor III

6) ntensity of sound at a point is ____ its distance from the source.

(A) directly proportional to
(B) inversely proportional to
(C) directly proportional to square of
(D) inversely proportional to square of
Correct Answer - Option (D)

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

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C

Chandani • 9.55K Points
Tutor III

7) Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

(A) at sea level
(B) at the top of Mt. Everest
(C) at a place in a valley below sea level
(D) in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Correct Answer - Option (C)

Explanation :
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open at a place in a valley below sea level.

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C

Chandani • 9.55K Points
Tutor III

8) Radio telescopes are better than optical telescopes because

(A) they can detect faint galaxies which no optical telescope can
(B) they can work even in cloudy conditions
(C) they can work during the day and night
(D) All of the above
Correct Answer - Option (D)

Explanation :
Radio telescopes are better than optical telescopes because they can detect faint galaxies which no optical telescope can, they can work even in cloudy conditions and they can work during the day and night.

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U

Uday Singh • 7K Points
Tutor III

9) who amongst the following had called Rabindranath Tagore as THE GREAT SENTINEL?

(A) Abul Kalam Azad
(B) Mahatma Gandhi
(C) Dr. Rajendra Prasad
(D) Subhash Chandra Bose
Correct Answer - Option (B)

Explanation :
Mahatma Gandhi amongst the following had called Rabindranath Tagore as THE GREAT SENTINEL. Rabindranath Tagore was a key figure of the Bengal Renaissance. He started writing at an early age and by the turn of the century had become a household name in Bengal as a poet, a songwriter, a playwright, an essayist, a short story writer and a novelist. In 1913 he was awarded the Nobel Prize for Literature and his verse collection Gitanjali came to be known internationally. At about the same time he founded Visva-Bharati, a university located in Santiniketan, near Kolkata. Called the ‘Great Sentinel’ of modern India by Mahatma Gandhi, Tagore steered clear of active politics but is famous for returning his knighthood as a gesture of protest against the Jallianwala Bagh massacre in 1919.

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U

Uday Singh • 7K Points
Tutor III

10) Grand Central Terminal, Park Avenue, New York is the world's

(A) highest railway station
(B) longest railway station
(C) largest railway station
(D) None of the above
Correct Answer - Option (C)

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

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