Question # 1

If the mass of the bob of a pendulum is increased by a factor of 3. The period of the pendulum's motion will:

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Be increased by a factor 2

Remain the same

Be decreased by a factor of 2

Be decresaed by a facro of 4

According to Ohm's law V =________

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I²R

IR²

IR

I/R

Hard disk is made of:

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Aluminium

Copper

Iron

Plastic

If we double the distance between two charges, then force becomes:

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4-times

¼ th

Double

Half

Mathematical formula of sound level (in bel) is:

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S.L = 10 log I/Io (bel)

S.L = K log I/Io (bel)

S.L = Log I/Io (bel)

S.L = 10 log Io/I (bel)

Spherical mirrors are used in:

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Medical

Search light

Microscope

All of these

The converter of analogue to digital signal is:

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ADC

DAC

ATDC

None of these

Bouncing back of light after striking the surface is called:

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Refraction

Reflection

Diffraction

Interference

Electric current in conductors is due to the flow of:

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Positive ions

Negative ions

Positive charge

Free electrons

The S.I unit of Spring constant is:

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Nm

N

Nm-1

Ns

Which form of energy is sound?

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Electrical

Mechanical

Thermal

Chemical

Ultrasound waves carry energy:

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Less

More

Equal

None of these

A data storage device is.

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Printer

Hard disk

Monitor

CPU

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

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