Question # 1

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

Increase in speed of sound for 1 ^oC rise in temperature is.

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0.61 ms-1

0.61 cms-1

61 ms-1

6.1 ms-1

the velocity of sound at 0 ^oC is 332 ms-1, the velocity of sound at 10 ^oC will be

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337.1 ms-1

338.1 ,ms-1

342.1 ms-1

328.1 ms-1

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

Star moving towards the earth show

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Red shift

Blue shift

Green shift

Yellow shift

The value of of 'g' at the centre of the earth is

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Infinite

2 g

3 g

zero

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

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Cloud formation in atmosphere is an example of.

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Isothermal process

Isochoric process

Adiabatic process

Isobaric process

The unit o pressure of gas is

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Nm^-2

Pascal

Atmosphere

All of these

The first person who attempted to measure the speed of light was.

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Michelson

Hygen's

Galileo

Ability

when a ball is throng straight up, the acceleration at its highest point is.

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Upward

Down ward

Zero

Horizontal

The number of spark plug needed in diesel engine is

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0

2

3

4

The pitch of sound deepens upon

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Intensity of sound

Loudness of sound

Wavelength of sound

Frequency of sound

Force 12 N and 5 N are add, the resultant con not be

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13 N

6 N

7 N

17 N

The SI unit of power is

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Joule

Newton

Watt

Kilowatt

Direction of a vector in space requires

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Two axis

Three axis

Four axis

Both a and b

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