Question # 1

A positive electric charge:

Choose an answer

Attracts other positive charge

Repels other positive charge

Attracts a neutral particle

Repels a neutral particle

Which is the most suitable means of reliable continuous communication between an orbiting satellite and earth:

Choose an answer

Mecrowaves

Radio waves

Sound waves

Any light waves

Capacitance is defined as:

Choose an answer

VC

Q/V

QV

V/Q

The speed of sound in air at 100°C is:

Choose an answer

380ms-1

382ms-1

386ms-1

300ms-1

In computer terminology information means:

Choose an answer

Any data

Raw data

Processed data

Large data

A positive electric charge:

Choose an answer

Attracts other positive charge

Repels other positive charge

Attracts a neutral charge

Repels a neutral chage

Bats can hear sound of frequency up to:

Choose an answer

100,000Hz

25000Hz

120, 000Hz

1000Hz

Level of noise recommended in eight, hour work day:

Choose an answer

80-90 dB

80-85- dB

85-90 dB

90-95 dB

At room temperature, electrons cannot escape the metal surface due to ………….. of atomic nucleus:

Choose an answer

Repulsive forces

Attractive forces

Gravitational forces

Electromagnetic forces

1 nano farad is equal to:

Choose an answer

1 x 10^-12 F

1 x 10⁹F

1 x 10^-9F

1 x 10^-6F

The S.I unit of electric potential is:

Choose an answer

Watt

Joule

Coulomb

Volt

The pitch of a sound is most closely related to its:

Choose an answer

Wave form

Period

Amplitude

Frequency

Ultrasound waves carry energy:

Choose an answer

Less

More

Equal

None of these

More Classes

Other Links

Physics 10th Class English Medium Unit 4 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer