Question # 1

The distance between two consecutive wave front is equal to

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One wave length

Two wave length

Half wave length

Three wave length

A system does 600 J of work and at the same time has its internal energy increased by 320 J. How much heat has been supplied.

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28o J

920 J

600 J

200 J

The mass of an object is quantitative measure 0 its

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Momentum

Acceleration

Inertia

Energy

The dimensional unit of impulse is.

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[MLT]

[MLT-1]

[ML-1T-1]

[M-1L-1T-1]

The unit o pressure of gas is

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Nm^-2

Pascal

Atmosphere

All of these

The ratio of size of image and size of object is

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Focal length

Magnification

Resolving power

Principle focus

According to first law of thermodynamics the quantity which is conserved.

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Force

Momentum

Energy

Power

The mechanism of transports energy of all the waves is

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Different

Same

Complicated

Easy

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

One complete round trip of a body is called

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Displacement

Time period

Vibration

Frequency

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

In case of planets centripetal force is provided by

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Coulomb's force

Electrostatic force

Gravitational force

Magnetic force

The ability of reveal the minor details of an object under examination is called.

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Resolving power

Magnification

Scattering

Reflection

the height of the geostationary satellite above the equator is.

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35000 km

36000 km

34000 km

33000 km

The waves used in radar speed trap are

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Longitudinal

Sound wave

Micro waves

Matter waves

Turning of radio is example of.

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Mechanical resonance

Electrical resonance

Physical resonance

Biological resonance

1 KWh =

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3.6 x 10³K

3.6 x 10⁶K

3.6 x 10⁹J

3.6 x 10¹²J

The focal length of a concave lens is always

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+ve

-ve

Zero

None of these

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11th Class Part 1 Physics Test Online MCQs With Answers

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