Question # 1

Diffraction is a special type of

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Reflection

Polarization

Interference

Refraction

Physics bases on Newtonian mechanics is called

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astrophysics

Modern Physics

Classical Physics

Meta Physcis

In Michelson's experiment the relation used to find the speed of light is

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16 fc

1/16 fd

16 fd

16/fd

The angle between circumference of a circle and center is

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The molecules of an ideal gas exert

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Force on each other

No force on each other

Large force on each other

Pressure on each other

Viscosity is represented by Greek letter

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The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

When average velocity becomes equal to instantaneous than body is called moving with.

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Instantaneous acceleration

Constant acceleration

Constant velocity

Variable velocity

The mass of an object is quantitative measure 0 its

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Momentum

Acceleration

Inertia

Energy

The resultant of two forces 3N and 4 N acting at right angle to each other is.

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5 N

6 N

1 N

7 N

Height of geo stationary orbit of the satellite above the earth is.

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300 km

250 km

400 km

None of these

Pascal is famous for his work

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Hydrodynamics

Hydrostatics

Laws of gases

Behaviour of elastics bodies

For 0.0036 no. of significnat digits

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1

3

2

4

The Unit of thermodynamic temperature is.

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C^o

F^o

K

None of these

The components of a vector which are perpendicular to each other are called

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Horizontal components

Vertical components

Rectangular components

All of these

The instrument which detects the instant as which the external pressure becomes equal to the systolic pressure is called.

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Manometer

Sphygmomanometer

Barometer

Stethoscope

For a rocket , the change in momentum per second of the ejecting gases is equal.

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Acceleration of the rocket

Momentum of rocket

Velocity of rocket

Thrust acting on rocket

The resultant of two forces 30 N and 40 N acting parallel to each other is.

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30 N

40 N

70 N

10 N

Teh overlapping of physics and other fields gave brith to

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Interdisciplinary areas of physics

Areas of Physics

Areas of science

All of these

By increasing the amount of stretch in spring the force exerted will

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Increase

One watt

One erg

One joule

The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes

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Half

Double

Unchanged

Zero

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