Question # 1

Old people cannot hear sound above than:

Choose an answer

1000 Hz

15000 Hz

20000 Hz

Sound waves having frequency lower than 20 Hz are called:

Choose an answer

Ultrasonic

Infrasonic

Audible

Echo

Capacitance is defined as:

Choose an answer

VC

Q/V

QV

V/Q

Safe level of noise depends on factors:

Choose an answer

One

Two

Three

Four

SI unit of electric potential is:

Choose an answer

Watt

Volt

Coulomb

Joule

X=A.B. This equation is used for which operation:

Choose an answer

AND

OR

NOT

NAND

Intensity level of the sound produced by mosquito buzzing is:

Choose an answer

70 dB

40 dB

10 dB

120 dB

Which device is used to store charge:

Choose an answer

Resister

Capacitor

Dielectric

Fuse

Which is used to investigate the properties of electron beam:

Choose an answer

LDR

Electroscope

Proton gun

Electron gun

In case of OR and AND operation, if switches s₁ and s₂ both are open then lamp is:

Choose an answer

On

Off

Sometimes on and sometimes off

Neither on nor off

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

If a charged body is brought near a negatively charged electroscope and the leaves of electroscope diverge, then the body is:

Choose an answer

Positively charged

Negatively charged

Neutral

None of these

The unit of intensity of sound:

Choose an answer

Wm^-1

Wm^-2

Wm

Wm²

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