Question # 1

Slope of velocity time graph describes a physical quantity called.

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Displacement

Average velocity

Average acceleration

Momentum

A ray of light is a line

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Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

Venturimeter is used ot measure.

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Speed of fluid

Pressure of fluid

Volume of fluid

Mass of fluid

The speed of light was measured correctly by

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Galileo

Michelson

Newton

Maxwell

The maximum velocity necessary to put a satellite into orbit is

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7.1 kms-1

7.3 kms-1

7.9 kms-1

8,9 kms-1

Which of the following is not directed along the fixed axis of rotation.

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Angular displacement

Angular momentum

Centripetal acceleration

Angular acceleration

The profile of periodic waves generated by a source executing S.H.M is represented by a.

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Circle

Sine curve

Tangent curve

Cosine curve

The numer of significant figureswith the increases accracy of the measuring instrument

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Decreases

Remains unchanged

Increasees

None of these

The motion of gas molecules is

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In the same direction

Random

Walls of container

Opposite to each other

Height of projectile is maximum at an angle of.

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45^o

60^o

30^o

90^o

The basic units in system international units are

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Theree

Seven

Five

Two

Original source of energy for biomass is

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Earth

Star

Moon

Sun

Salter's duck was invented by

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Newton

Einstein

Prof Salter

Maxwell

Carnot cycle consists of.

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Two steps

Three steps

Four steps

Five steps

The wavelength of wave produced by microwave oven is.

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12 cm

12 m

18 m

18 cm

Einstein's theory gives us the physical picture of how the

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Body moves

Gravity works

Moment of inertia produced

Weightlessness creates

S.I Unit of pressure of gas is.

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Nm

N.m

N2/m

N3m

For working of heat engine, there must be.

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A source

A sink

either of these

Both of these

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