Question # 1

For maximum range the angle of projection must be

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30^o

45^o

60^o

90^o

Time rate of change of angular displacement is called

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Linear velocity

Angular velocity

Rotational velocity

Vibrational velocity

A layer over the central core of the jacke is called.

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Jacket

Plastic

Cladding

Rubber

The internal energy of system does not depend on

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Temperature

Pressure

Path

Final and initial state

Oscillation of shock absorber of a car is practical example of.

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simple harmonic motion

Forced oscillation

Damped oscillation

Undamped oscillation

A paratooper moves downward with

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Zero acceleration

Constant acceleration

Positive acceleration

Negative acceleration

The sum of two or more vectors will be a single vector called

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Component vector

Position vector

-ve vector

Resultant vector

Symbolically solid angle is represented as

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Sr

rad

0

cd

When two identical waves superimposed, which can change.

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Wave length

Frequency

Velocity

Amplitude

The speed of sound is greater in solids due to their high.

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Density

Pressure

Temperature

Elasticity

Critical angle is that incident angle in denser medium for which angle of refraction is.

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0 ^o

45 ^o

90 ^o

120 ^o

The unit of co efficient of viscosity in S.I system

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Kg -1 ms-1

Kg m-1 s-1

kg -1 m-1

Kg ms-1

Metre is the basics unit of

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Mass

Force

Velocity

Length

The study of Physics deals with

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Laws of motion

The structure of space and time

Force present in the nature

All of the above

For a gas obeying Boyle's Law, if the pressure is doubled, the volume becomes.

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Double

Three fold

One half

Remains the same

Interplaner distance can be determined by

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Newton's rings

Bragg's law

Diffraction pattern

Interferometer

The efficiency of heat engine whose sink is at 17 ^oC and source at 200 ^oC is.

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38%

63%

80%

90%

The tides raise in the sea roughly

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Once a day

Twice a day

Three a day

Four time a day

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