# Quiz 136: General Science : Some Basic Concepts of Physics

1.

Which among the following defines gravitational mass?

[A] Ratio of weight of a body and acceleration due to gravity
[B] Ratio of Acceleration due to gravity and weight of a body
[C] matter contained in a body
[D] None of the above

2.

The value of acceleration due to gravity is __________?

[A] Minimum at equator and maximum at poles
[B] maximum at equator and minimum at poles
[C] equal at poles and equator
[D] None of the above

3.

What is the mean value of g at earth’s surface?

[A] 0.98 meter per second
[B] 9.8 meter per second
[C] 9.8 meter per second square
[D] 0.98 meter per second square

4.

Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ?

[A] Stress
[B] Friction
[C] Moment of Inertia
[D] tension

5.

Which among the following defines cohesive force?

[A] the force of attraction acting between the molecules of same material
[B] the force of attraction acting between the molecules of different material
[C] the force of attraction acting between the atoms of same material
[D] None of the above

6.

The ideal fluid which is a hypothetical fluid should contain _______?

[A] Zero Viscosity Only
[B] Zero Compressibility Only
[C] Zero Viscosity & Zero Compressibility
[D] None of the above

7.

A molecule is a smallest part of matter which possesses all properties of original matter. A molecule is electrically _________?

[A] Positve
[B] Negative
[C] either positive or negative
[D] neutral

8.

Which among the following is true about conduction, convection and radiation mode of transfer of heat?

[A] A Medium is required for conduction but not required for convection and radiation
[B] A medium is required for conduction, convection and radiation
[C] A medium is required for conduction and convection but not required for radiation
[D] A medium is not required for conduction and convectio, radiation

9.

Which among the following is true regarding Sound Waves?

[A] They are longitudinal waves and material medium is not required for their propagation
[B] They are transverse waves and material medium is required for their propagation
[C] They are longitudinal waves and material medium is required for their propagation
[D] They are transverse waves and material medium is not required for their propagation

10.

Which among the following principle is used by Bats?

[B] SONAR (Sound Navigation & Ranging
[C] law of reflection
[D] law of diffraction

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• ##### Vandana

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• ##### Anonymous

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• ##### Anonymous

good one…good job…keep it up…

• ##### Anonymous

Thank you v much..

• ##### sandeep kumar majhi

very nice collection thank you

• ##### sandeep (odisha)

very good quiz

• ##### shubham

Q 12: critical angle is the angle of incidence above which total internal reflection occurs

• ##### Brijesh

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