Question # 1

Two switches attached in series work on which operation?

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AND operation

OR operation

NOT operation

NOR operation

Bets can hear sound of frequency up to:

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100,000 Hz

25000 Hz

120,000 Hz

1000 Hz

A digital multimeter is used to measure:

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Current

Resistance

Potential difference

All of above

Safe limit of radiations exposure in one year.

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4 rem

5 rem

3 rem

6 rem

The property of substance, which opposes the flow of current through it is called.

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Resistance

Reactance

Resistivity

None of these

Time period is reciprocal of:

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Frequency

Cycle

Wave-length

Amplitude

The center of curved surface of spherical mirror is called:

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Focus

Axis

Centre

Pole

The waves in which particles of the medium vibrate parallel to the direction of waves are called:

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Longitudinal waves

Transverse waves

Electromagnetic waves

Both a and c

The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called:

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Nuclear fission reaction

Nuclear fusion reaction

Nuclear Radiation

Nuclear chain reaction

Ultrasound waves carry energy:

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Less

More

Equal

None of these

We can distinguish between the notes of a piano and flute due to ………… of sound.

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Loudness

Pitch

Quality

Intensity

The S.I unit of intensity of sound is:

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Wm

Wm2

Wm-2

Wm-1

According to Fleming's left hand rule the direction of magnetic field is indicated by:

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Thumb

Forefinger

Middle finger

Right hand rule

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Physics 10th Class English Medium Online Test MCQs With Answers

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