Physics Quiz - 3, General Knowledge


25 Questions MCQ Test General Knowledge | Physics Quiz - 3, General Knowledge


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Attempt Physics Quiz - 3, General Knowledge | 25 questions in 50 minutes | Mock test for Current Affairs preparation | Free important questions MCQ to study General Knowledge for Current Affairs Exam | Download free PDF with solutions
QUESTION: 1

Radio telescopes are better than optical telescopes because

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QUESTION: 2

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

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QUESTION: 3

Out of the following pairs, which one does not have identical dimension?

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QUESTION: 4

Mercury is commonly used as a thermometric fluid rather than water because

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QUESTION: 5

Optical fibre works on the

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QUESTION: 6

Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in

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QUESTION: 7

Supersonic plane fly with the speed

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QUESTION: 8

Mach number is used in connection with the speed of

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QUESTION: 9

On a stationary sail boat, air is blown from a fan attached to the boat. The boat

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In this case air blown by the fan will try to push the sail boat in a certain direction.But at the same time due to Newton's third law of motion the fan will experience a force due to the air blown in a direction opposite to the direction in which the sail boat will experience the force due to the blown air.So, as a whole the system will be at rest and it will not move.

QUESTION: 10

Rainbow is due to

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QUESTION: 11

Stars which appear single to the naked eye but are double when seen through a telescope are

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QUESTION: 12

ML2T-2 is the dimensional formula for

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QUESTION: 13

Solar eclipse will take place when

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QUESTION: 14

Isotopes of an element contain

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QUESTION: 15

One watt-hour is equivalent to

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QUESTION: 16

Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?

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QUESTION: 17

In which of the following industries is mica as a raw material?

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QUESTION: 18

Radiocarbon dating technique is used to estimate the age of

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QUESTION: 19

Identify the vector quantity from the following

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QUESTION: 20

Large astronomical telescopes always use as objective

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QUESTION: 21

One should not connect a number of electrical appliances to the same power socket because

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QUESTION: 22

Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?

  1. Diffusion
  2. Refraction
  3. Internal reflection
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QUESTION: 23

Natural radioactivity was discovered by

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QUESTION: 24

Planets are

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QUESTION: 25

Intensity of sound has

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