Question # 1

A body has P.E. = mgh, when it is at height 'h' from the ground. At the point at the distance 'x' below from the top its P.E. with

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mgh

mgx

mg(x-h)

None of these

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

The dimensions of work are

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MLT^-1

MLT^-2

ML²T^-2

ML^-1T^-1

When one mirror of a Michelson interferometer is moved a distance of 0.5 mm, 2000 fringes and observed, The wavelength of light used is.

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5000 m

50000 A^o

500 cm

2000 A^o

An immediate source of energy for our body is:

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mango

Glucose

mushroom

meat

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

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Upward

Down ward

Zero

Horizontal

Two quantities involved in work are

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Force and speed

Force and velocity

Force and displacement

Force and acceleration

Increase in the velocity of sound in air for 1 ^oC rise in temperature is.

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61 ms-1

0.61 ms-1

161 ms-1

261 ms-1

The force and torque are analogous to

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Velocity

Mass and weight

Moment of Inertia

Each other

The product of time period and frequency is.

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Zero

1

2

3

If the radius of droplet becomes half, then its terminal velocity will become.

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Double

Half

One fourth

Remains same

Speed of sound in vacuum is

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280 ms-1

332 ms-1

333 ms-1

Zero ms-1

Centripetal force perform

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Maximum work

Minimum work

Negative work

No work

A force applied on a body produces acceleration in

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Opposite direction

perpendicular direction

Its own direction

In any direction

The motion of gas molecules is

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In the same direction

Random

Walls of container

Opposite to each other

Bending of light around the edges of an obstacle is called.

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Refraction

Polarization

Interference

Diffraction

Angular frequency is the characteristic of

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Linear motion

Vibratory motion

Circular motion

All of these

The horizontal component of velocity of projectile

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Increases

Decreases

Remain same

Decreases and then increases

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Physics Fsc Part 1 Online Test MCQs With Answers

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