Question # 1

Air blows from

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High pressure to low pressure

Low pressure to high pressure

Low temperature to high temperature

High temperature to low temperature

A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.

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5 N

8.66 N

10 N

Zero

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

The sum of two or more vectors will be a single vector called

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Component vector

Position vector

-ve vector

Resultant vector

Image formed by a concave lens is

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Real

Virtual

Erect

None of these

A man of mass 5 kg is falling freely, the fore acting on it will be

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5 N

9.8 N

19.6 N

49 N

Biomas is a potential source of

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Renewable energy

Non renewable energy

Botha a and b

Tidal energy

The shortest distance between two points is called

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Distance

Amplitude

Displacement

Is a number

The process followed by Newton for the determination of speed of sound in air is

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Adiabatic

Isothermal

Isobaric

Isochoric

Time rate of change of angular displacement is called

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Linear velocity

Angular velocity

Rotational velocity

Vibrational velocity

Inertia may expressed in

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Kg

Newton

Watt

Joule

Beats can be heard when difference of frequency is not more than.

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8 Hz

10 Hz

4 Hz

6 Hz

The relation between the speed and hoop can be written as

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2

4

1/2

1/4

A body rotating with angular velocity of 2 radian/s and linear velocity is also 2 ms-1, then radius of circle is.

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1 m

0.5 m

4 m

2 m

No spark plug is needed in the

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Petrol engine

Diesel engine

Gas engine

Water engine

In case of planets centripetal force is provided by

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Coulomb's force

Electrostatic force

Gravitational force

Magnetic force

If the temperature of a gas is constant then <1/2 mv2> of the molecules of gas will be.

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Constant

Zero

Increase

Decrease

What would encourage trade between two countries

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Different tax system

Frontier checks

National currencies

reduced tariffs

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Physics Fsc Part 1 Online Test MCQs With Answers

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