Question # 1

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

Head to tail rule is used for

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Addition of vectors

Subtraction of vectors

Multiplication of vectors

Division of vectors

In order to produce beats, the two sound waves should have.

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The same amplitude

Slightly different amplitude

The same frequency

slightly different frequencies.

If a body is moving in the counter clockwise direction the direction of angular velocity will be

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Toward the centre

Away from the centre

along the linear velocity

Perpendicular to both radius and linear velocity

The wavelength of fundamental note in one end closed pipe in term of length 'l' of pipe is.

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4 l

2l

l

1/4 l

Which is nooptically active

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Sugar

Tartaric acid

Water

Sodium chloride

If r = 5 m and f = 4 N are along same direction, them torque is

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20 Nm

5 Nm

10 Nm

Zero

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be

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7 m

332 m

664 m

1 m

One foot is equal to

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31.90 cm

30.48 cm

30.84 cm

84.30 cm

When temperature of source and sink of a heat engine becomes equal then the entropy change will be.

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zero

Minimum

Maximum

Negative

The circumference fo the earth was determined by

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Bohr

A Beruni

Ibn al Haithm

Chadwick

If the are of a circle equals its radius, then the angle subtended at the center will be

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1 degree

One rotation

One radian

Half rotation

For working of heat engine, there must be.

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A source

A sink

either of these

Both of these

Information carrying capacity of optical fibre called.

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Capacity

Band width

Immunity

Ability

Bright fringes are also called as

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Minima

Maxima

Wave front

Ray of light

Using a graded Index fibre, the time difference is reduced to about.

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1 ns per km

33 ns per 100 km

33 ns per km

1 ns per 100 km

Pascal is the unit of

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Pressure

Force

Tension

Weight

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