Question # 1

Usually the x-axis is taken as

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Vertical axis

Horizontal axis

+ve axis

-ve axis

Watt -m2 is the unit of

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Energy

Intensity

Power

Work

The time rate of change of momentum equals

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Weight

Applied force

Impulse

Mass

If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is.

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0.5 Hz

1 Hz

10 Hz

100 Hz

The error in a certain measurement occurs due to

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Negligence of a person

In appropriate technique

Faulty Appraatus

All of rhe above

At which of the following temperature a body has maximum internal energy.

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-273 ^oC

0 K

273 K

-273 K

The value of angular momentum is maximum when 0 is

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90^o

60^o

75^o

45^o

When the rocket moves away from the earth, the work against gravity

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Remains constant

Varies directly with distance

Varies inversely with distance

Varies inversely with square of distance

Air blows from

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High pressure to low pressure

Low pressure to high pressure

Low temperature to high temperature

High temperature to low temperature

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

Which is nooptically active

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Sugar

Tartaric acid

Water

Sodium chloride

Critical angle is that angle of incident ofr which angle of refraction is.

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90 ^o

45 ^o

42 ^o

24 ^o

In case the work done in zero.

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Constant pressure

Constant volume

Constant temperature

Constant mass

INTELSAT VI satellite operates at microwave frequencies of.

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2,4,6,10 GHz

4,6,11 and 14 MHz

4,6,11 and 14 GHz

2,4,6 AND 14 GHz

The centre of Newton's rings will be

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Dark

Bright

Coloured

Not visible

A wheel of radius 50 cm having an angular speed of a rad /s have linear speed.

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1.5 m/s

3.5 m/s

2.5 m/s

4.5 m/s

The molecules of an ideal gas exert

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Force on each other

No force on each other

Large force on each other

Pressure on each other

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