Question # 1

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

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Upward

Down ward

Zero

Horizontal

The portion of the wave above mean level is called.

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Node

Antinode

Crest

Trough

The direction of angular velocity is determined.

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Left hands rule

Head to tail rule

Right hand rule

General rule

2 radian = ____

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2 m

4 m

57.3 m

114.6 m

The equations of angular motion hold only in case when the axis of rotation is

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Moving

Fixed

Both a and b

None of these

Close orbiting satellites orbit the earth at a height of about

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400 km

4000 km

400 m

400 cm

The ratio of size of image and size of object is

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Focal length

Magnification

Resolving power

Principle focus

In reversible process the entropy of system.

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Remain constant

Decrease

Increase

Becomes zero

Metre is the basics unit of

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Mass

Force

Velocity

Length

Bright fringes are also called as

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Minima

Maxima

Wave front

Ray of light

The branch of physics which deals with the study of production, propagation and properties fo sound waes is called.

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Heat and thermodynamcis

Optics

Acoustics

Mechanics

The periodic variations of sound between maximum and minimum loudness are called.

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Doppler's effect

reflection

Laplace correction

Beats

In the absence of external force, the change in momentum is.

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Zero

Constant

Decreasing

Increasing

The units of magnifying power of microscope or telescope are.

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Metre

m^-1

dioptre

No unit

The velocity of a projectile is maximum

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At the highest point

At point of launching and just before striking the ground

At half of the height

After striking the ground

The tides raise in the sea roughly

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Once a day

Twice a day

Three a day

Four time a day

On loading the prong of a tuning fork with wax, the frequency of sound.

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Increases

Decreases

Remains same

First increases then decrease

Environmental crisis are also known as

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Population crisis

Entropy crisis

War crisis

Mass crisis

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Physics ICS Part 1 Full Book Mcq's Online Test MCQs With Answers

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