Question # 1

The speed of stars and galaxies can be calculated by

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Compton effect

Stefan's law

Doppler's effect

Pascal's law

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

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

The path followed by a projectile in known as its

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Range

Trajectory

Cycle

Height

The value of a time period of allow flying satellite is

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1 year

84 minutes

28 hours

1 day

Horizontal range is maximum when the angle of projectile is.

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0 o

30 o

45 o

60 o

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

Unit of impulse is equivalent to that of.

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Force

Momentum

Acceleration

Velocity

Time period of geostationary satellite of radius 'R' is

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1 hour

48 min

1 day

1 month

A force of 20 N acts along x axis, tis component is.

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0 N

10 N

20 N

30 N

The distance covered by wave in 1 sec is

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wavelength

Wave number

Wave speed

Frequency

Fringe spacing is inversely proportional to.

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Wave length

Slit separation

Distance between the slit and screen

Frequency of light

A finite volume of gas consists of

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Small no. of molecules

Large no. of molecule

Average no. of molecule

None of these

Weight of a 60 kg man in moving elevator with constant acceleration of 1/2 f

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Zero

300 N

600 N

200 N

A set of frequencies which are multiples of the fundamental frequency are called.

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Doppler effect

Nodal frequencies

Beat frequencies

Hamonics

When two identical travelling waves are superimposed, velocity of resultant wave.

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Decreases

Increases

Remain same

Becomes zero

The location of near point changes with

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Age

Size of the eye

Sharpness of the eye

None of these

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11th Class Part 1 Physics Test Online MCQs With Answers

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