Question # 1

The special theory of relativity treats problems invoving

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inertial frame of references

accelerating frame of references

both of these

none of these

Which one of the following waves belongs to electromagnetic spectrum

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Radio and TV waves

Radar waves

Micro waves

All of them

The unit of decay constant is:

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Second

Metre

Hour

Year

Second^-1

The irregular and unsteady flow of the fluid is called

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turbulent flow

steady flow

either of them

both of them

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

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Q=V/C

Q=C/V

Q=1/2CV

Q=CV

Energy is not carried by

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Transverse progressive waves

Longitudinal vibration

Stationary waves

Electromagnetic

Potentiometer is more sensitive than voltmeter, because

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Voltmeter has a very high resistance

Voltmeter has a very low resistance

Potentiometer does not draw any current from a source of unknown potential difference

Potentiometer is sensitive

Centripetal acceleration is also called ______ acceleration

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Tangential

Radial

Angular

None of them

the dilation of time applies to the timing processes which are:

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Physical

Chemical

Biological

All of these

None of these

Physical quantities are often divided into ______ categories

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3

2

9

5

The body passing a viscous medium affected by:

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One force only

Two forces only

Four forces

None of these

The SI unit of stress is some as that of:

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Pressure

Momentum

Impulse

Change momentum

Force

The ability of an instrument of reveal the minor details of an object under examination is called

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Resolution

Magnification

Resolving power

Dispersion

The slope of the tangent at any point on the curve gives the value of the

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average velocity at that point

instantaneous velocity at that point

average acceleration at that point

instantaneous acceleration at that point

The modulus of elasticity of material does not depend upon

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Shape

Temperature

Nature of material

Impurities mixed

In Young s double slit experiment if we use white light then

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Colored fringes will be observed

Bright fringes will be observed

Alternate dark and bright fringes will be observed

No interference fringes will be seen

Equal charges are given to two spheres of different radii,The potential will

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Be more on the smaller sphere

Be more on the bigger sphere

Be equal on both the sphere

Depend on the nature of the material of the sphere

When a bullet is fired by a gun, the gun move backward with a

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velocity less than that of the bullet

velocity equal to that of the bullet

velocity greater to that of the bullet

remains at rest

For a moving body. at any instant of time

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If the body is not moving the acceleration is necessarily zero

If the body is slowing.the retardation is negative

If the body is slowing.the distance is negative

If displacement.velocity and acceleration at that instant are known,we can find the displacement at any given time in future.

The motion of planets in the solar system is an example of the conservation of:

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Mass

Linear momentum

Angular momentum

Energy

At the top of the trajectory of a projectile the directions of its velocity and acceleration are

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Perpendicular to each other

Parallel to each other

Inclined to each other at an angle of 45°

Antiparallel to each other

In compound microscope the focal length of eye piece is

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Large

Small

Same as objective

None of these

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