Question # 1

The velocity of a particle having SHM is 'v' at means position. If its amplitude is doubled them velocity at mean position will be

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v/2

v

2v

4 v

Mercury is used as a thermometric substance because

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It is opaque

Does not stick to glass

Has low specific heat

All of these

Value of triple point of water is given as.

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Zero K

100 K

273.16 K

373.16 K

Parallel vectors of same magnitude will be

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Equal

Opposite

Both a and b

None of these

Dimensional analysis helps in

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To convert one unti into another

Finding relation between quantities

To confirm the correct answer

All of the abvove

Pressure 'P' of a gas is defined as

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F/A

FA

F/V

F/D

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

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

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Newton

Pascal

Bernoulli

Bu Ali Sina

The horizontal range of a projectile of 30^owith horizontal is same at an angle.

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40^o

45^o

90^o

60^o

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

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1 Hz

2 Hz

5 Hz

10 Hz

Size of the molecules is much smaller as compared to the

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Mass of the molecules

Distance between the molecules

Density of the molecules

Volume of the molecules

Satellites are the objects that orbit around the

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Moon

Sun

Earth

Star

The number 64.350 is rounded off as

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64.4

64.46

63.35

64.36

The study of fluid dynamics is

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Easy

Complicated

Impossible

None of these

Carnot cycle consists of.

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Two steps

Three steps

Four steps

Five steps

For 2.450 no. of significant digits.

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2

1

3

4

Rate of change of displacement is called

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Speed

Velocity

Kinetic energy

None of these

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

The lower reading of blood pressure is called.

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Systolic pressure

Diastolic pressure

Normal pressure

Non normal pressure

The fluid is said to be incompressible, if its density is.

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Zero

Very high

Constant

Very small

The light emitted from light emitting diode has wave length.

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1.1 micro meter

1.3 micro meter

1.5 micro meter

1.7 micro meter

Multimode graded index fibre has a core whose diameter range lie from.

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5 to 50 micro meter

50 to 100 micro meter

40 to 1000 micro meter

50 to 10,000 micrometer

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