Question # 1

3 Joules of work id done is 3 seconds, then power

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6 Watt

1 Watt

3 Watt

2 Watt

Longitudinal waves do not exhibit

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Reflection

Refraction

Polarization

Diffraction

The unsteady flow of a fluid is called

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Stream line

Turbulent flow

Average flow

Viscous flow

No body begins to move or comes to rest of itself was given by

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Newton

Pascal

Bernoulli

Bu Ali Sina

Velocity of sound is independent of

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Temperature

Density

Pressure

Medium

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

The accepted value for speed of light in vacuum

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2.99 x 10⁸m - sec^-1

2.99 x 10⁶m - sec^-1

2.99 x 10⁸km - sec^-1

2.99 x 10⁸m - h^-1

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

Change of momentum is equal to

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Force

Tension

Impulse

Pressure

X-ray diffraction has been very useful in determining the structure of

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Hemoglobin

Stars

Galaxies

Stones

The SI units of flow rate are.

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m2s-1

m3s-2

m3s-1

m2s-2

At what speed the momentum and kinetic energy of a body having the same.

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1 ms-1

2 ms-1

4 ms-1

8 ms-1

Newton's rings are formed due to phenomenon of.

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Interference

Dispersion

Diffraction

Polarization

the change in internal energy is defined as

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Q - W

Q-T

Q + P

Q - P

A double convex lens acts as diverging lens when the object is

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At infinity

Inside the focus

A way from focus

A a large distance from lens

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

The magnitude of A will be

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Zero

A²

1

A

One revolution is equal to.

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90^o

180^o

360^o

270^o

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