Question # 1

Dot product of two non zero vectors is zero it angle between them is.

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30^o

60^o

45^o

90^o

In branch of physics which deals with the nuclear particls such as neurtons, protons adn nuclear structur is called

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Nuclear Physics

Solid state Physics

Particle Physics

Plasma physics

The to and fro motion of a body is called

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Linear motion

Rotational motion

Vibratory motion

None of these

The centre of Newton's rings will be

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Dark

Bright

Coloured

Not visible

The blue colour of sky is due to

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diffraction

Reflection

Polarization

Scattering

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

The types of optical fibres are

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Three

Four

Five

Six

Significant figures in 0.000546

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1

4

3

5

The SI unit of force is.

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Dyne

Joule

Volt

Newton

The work done in gravitational field

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Depend upon the path

Does not depend upon the path

(+)ve

Zero

Experimentation and practical verification was fist indroduced by

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The Muslim Scientists

The Greek philosopher

The European scientsts

None of these

the work done in isochoric process is.

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Constant

Variable

Zero

Depend upon condition

If the slope of the velocity time graph remain constant then body is moving with.

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Uniform velocity

Negative variable acceleration

Variable acceleration

Uniform acceleration

No spark plug is needed in the

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Petrol engine

Diesel engine

Gas engine

Water engine

Cloud formation in atmosphere is an example of.

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Isothermal process

Isochoric process

Adiabatic process

Isobaric process

The frictional force is

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Conservative force

Non conservative force

Electric force

Magnetic force

If the object is at 5 cm from the lens of simple microscope than its magnifying power will be.

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5

10

15

25

If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.

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N/L

2N/L

L/N

N/2L

When newton ring are seen through the transmitted light, then central spot is.

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Dark

Blue

Bright

Red

The trajectory of a projectile is.

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Circle

Parabola

Hyperbola

Straight line

If the are of a circle equals its radius, then the angle subtended at the center will be

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1 degree

One rotation

One radian

Half rotation

The final image formed by a simple microscope.

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Virtual and inverted

Real and erected

Virtual and erected

Real and inverted

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