Question # 1

The brain of any computer system is:

Choose an answer

Monitor

Memory

CPU

Control unit

One coulomb is equal to charge of ________ electrons.

Choose an answer

6.25 x 10^-19

6.25 x 10¹⁹

6.25 x 10¹⁸

6.25 x 10^-18

Sound waves having frequency higher than 20,000 Hz are called:

Choose an answer

Ultrasonic

Infrasonic

Audible

Echo

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

Choose an answer

Wave form

Period

Amplitude

Frequency

The unit of intensity of sound:

Choose an answer

Wm^-1

Wm^-2

Wm

Wm²

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

Choose an answer

4-times

1/4th

Double

Half

The SI the unit of charge is:

Choose an answer

Jpi;e

Volt

Coulomb

Watt

The 1st practical electric battery is known as:

Choose an answer

Voltaic

Pile

Voltaic pile

Voltaic cell

Volt is named after the Italian physicist:

Choose an answer

Faraday

Alessandro volta

Newton

Coulomb

Coulomb's law is mathematically stated as:

Choose an answer

F = k q1 q2/r3

F = k q2 q2 / r2

F = k q1 q2 / r

F = k q1 q2 / r2

SI unit of electric intensity is:

Choose an answer

NC

NC^-1

NC^-2

NC^-3

The intensity level of whispering is:

Choose an answer

20 dB

30 dB

40 dB

50 dB

Who developed the 1st practical electric battery:

Choose an answer

Alessandro volta

Faraday

Newton

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