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Physics MCQs for all Competitive Exams SET-9
Physics Multiple Choice Questions

Physics | General Science Multiple Choice Questions(MCQ)
भौतिक विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of Physics | General science multiple choice questions (MCQs) with answers. Physic| General science is the very important section for competitive exams.
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Physics MCQs for all Competitive Exams SET-9
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Which instrument is used to measure blood pressure ?

[A].   Sphygmomanometer
[B].   Thermometer
[C].   Hygrometer
[D].   Barometer


Question : 2

Which device is used to measure the wavelength of X-rays ?

[A].   Framing square
[B].   Spectrometer
[C].   Manometer
[D].   SWR meter


Question : 3

Golden view of sea shell is due to :

[A].   Diffraction
[B].   Reflection
[C].   Refraction
[D].   Polarization


Question : 4

The device used for locating submerged objects under sea is

[A].   Radar
[B].   Sonar
[C].   Laser
[D].   All of the above


Question : 5

The hydraulic press depends upon :

[A].   Coulomb's law
[B].   Pascal's principle
[C].   Boyle's law
[D].   Bernouli's principle


Question : 6

Siphon will fail to work if

[A].   Both its limbs are of unequal length
[B].   The temperature of the liquids in the two vessels are the same
[C].   The level of the liquid in the two vessels are at the same height
[D].   The densities of the liquid in the two vessels are equal


Question : 7

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states this ?

[A].   Newton first law
[B].   Newton second law
[C].   Newton third law
[D].   Principle of conservation of linear momentum


Question : 8

A device which is used to limit the current in an electrical circuit is called a

[A].   Fuse
[B].   Grid
[C].   Conductor
[D].   None of the above


Question : 9

What is newton third law of motion ?

[A].   Every body maintains its initial state rest or motion unless no external force is applied.
[B].   The rate of change in momentum of a body is directly proportional to the applied force on the body and takes place in the direction of force.
[C].   To every action there is equal and opposite reaction.
[D].   None of above.


Question : 10

The rotational effect of a force on a body about an axis of rotation is described in terms of

[A].   Centre of gravity
[B].   Centripetal force
[C].   Centrifugal force
[D].   Moment of force





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