Question # 1

The intensity of lawn mover is:

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10-1 wm^-2

10-2 wm^-2

10-3 wm^-2

10-4 wm^-2

The character by which lound and faint sound can be distinguished is called:

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Pitch

Quality

Loudness

Intensity

The point through which rays of light pass after reflection from concave mirror is called principal:

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Focus

Circle

Axis

Radius

study of charges at rest is called:

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acoustics

electrostatics

electronics

electricity

The refractive index of air is:

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6

7

2

1,0003

Current is equal to:

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IR²

CV

Q/t

IR

The wave properties

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Reflection

Refraction

Diffraction

All of these

What type of graph is in between V and I?

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Curved

Parabola

Straight line

None of these

The unit of electric power is:

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Volt

Watt

Joule

Coulomb

by connecting suitable high resistance in series with galvanometer it will convert into:

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voltmeter

galvanometer

ammeter

multimeter

Image formed on a camera is:

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Real, inverted, and diminished

Virtual, upright and diminished

Virtual, upright and magnified

Real, inverted and magnified

The S.I unit of potential difference is:

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Ampere

Coulomb

Volt

Watt

Two charged spheres are separated by 2 mm. Which of the following would produced the greatest attractive force?

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+1 q and +4q

-1 q and -4q

+2 q and +2q

+2 q and -2q

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10th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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