Question # 1

The bob of a simple pendulum is suspended by

Choose an answer

string

heavy inextensible string

light extensible string

light inextensible string

transverse wave motion is possible in:

Choose an answer

Air

A mixture of NH₃and O₂

Strings

All of these

When half of the cycle of a body executing S.H.M is completed, then the phase of the vibration will be

Choose an answer

45°

90°

135°

180°

SI unit of wave length is:

Choose an answer

Kilometer

Metre

Centimetre

Hertz

Time period of a simple pendulum depends upon the

Choose an answer

length of the pendulum

acceleration due to gravity

none of them

both of them

The waves produced in a microwave oven have wavelength.

Choose an answer

12 mm

12 cm

12 m

12 mm

Shock absorber of the car is an example of

Choose an answer

resonance

forced oscillations

interference

damped oscillations

When a body is pulled away from its rest or equilibrium position and then released, the body oscillates due to

Choose an answer

applied force

momentum

restoring force

none of them

The total energy of spring mass system is

Choose an answer

zero

changing with time

constant

none of them

The expression of Hook's law is

Choose an answer

F=ma

F=kx

F= -kx

-kx=ma

In case of mechanical waves, we study the motion of

Choose an answer

a single particle

collection of particle

any one of them

none of them

If a freely oscillating system is subjected to an external force, then

Choose an answer

free vibrations will take place

the body will move with its natural frequency

forced vibrations will take place

none of them

Which one of the following elasticizes is possessed by fluids:

Choose an answer

Young's elastic modulus (length)

Bulk elastic modulus (volume)

Modulus of rigidity (shape)

None of these

A wave, which transfer energy by moving away from the source of disturbance is called a

Choose an answer

progressive wave

travelling wave

both of them

none of them

Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:

Choose an answer

Rope

Coil of spring

Water

All of them

More Classes

Other Links

Physics ECAT Pre Engineering Chapter 8 Waves 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

Choose an answer

Choose an answer