Question # 1

Cloud formation in atmosphere is an example of.

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Isothermal process

Isochoric process

Adiabatic process

Isobaric process

If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.

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N/L

2N/L

L/N

N/2L

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

Which of the following is mechanical wave

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Heat

Light

Sound

None of these

The frictional effect between the different layers of fluid is called

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Terminal velocity

Stock's law

Viscosity

Surface tension

According to Huygen's principle the points on primary wave front can be considered as

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Secondary wavelets

Ray of light

Source of light

None of these

1 torr in Nm-2 is expressed as.

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130.5 Nm-2

133.3 N m-2

140.2 Nm-2

135.2 Nm-2

The energy processes, we use are

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Efficient

Not efficient

Reversible

None of these

An athlete runs with a speed of 12 ms-1. Determine the longest jump he can undertake.

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12 m

14.4 m

24 m

16.2 m

The components of a vector which are perpendicular to each other are called

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Horizontal components

Vertical components

Rectangular components

All of these

An object of mass 1 kg moving with acceleration 0 1 ms-2 will experience a force of.

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10^-2 N

10^-3 N

1 N

1 dyne

In red light is used as compare to blue light then fringe spacing.

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Decreases

Remain same

Increases

Becomes zero

The focal length of convex lens

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Negative

Positive

small

Large

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

The angle between x-axis, y-axis and z-axis is

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45°

60°

75°

90°

73.650 rounded off upto one decimal is

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73.6

74.00

73.7

73.65

A man of 5000 kg moves with an acceralation of 1 ms-2 force acting on it is.

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5 N

500 N

50 N

5000 N

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