Free Printable Waves

1.

1. Seismic waves are the example of (a) .wave.

2.

2.Wave motion in which particles vibrate perpendicular to the direction of propogation is:

a)

Longitudinal

b)

Transverse

c)

Stationary

d)

None of these

3.

3. A sound wave of frequency 40hz is travelling in air at a speed of 320 m/s., then the speed of sound wave in vacuum is:

a)

320m/s

b)

8m/s

c)

< 320m/s

d)

zero

4.

4. $V=\sqrt{\frac{T}{\mu}}$ This is the expression for speed of _______________

a)

transverse waves in a stretched string

b)

longitudinal waves in solid

c)

sound waves in liquid

d)

none of these

5.

$V\ =\ \sqrt{\frac{\gamma P}{\rho}}$ Identify the expression

a)

Newton's formula

b)

Laplace's formula

c)

Mayer's relation

d)

none of these

6.

6. y(x,t) = a sin (kx + ωt+ φ)

Above expression represents..

a)

displacement of a progressive wave in +ve X direction

b)

displacement of a progressive wave in -ve X direction

c)

a standing wave

7.

7. $\ \ \ y\left(x,t\right)=5\ Sin\ \left(36t+0.018x+\frac{\pi}{4}\right)$ What is the (i)amplitude and (ii) initial phase of this travelling wave.

a)

(i) 36 , (ii) $\frac{5\pi}{4}$

b)

(i) 0.018, (ii) $2\pi$

c)

(i) 5 ,(ii) $\frac{\pi}{4}$

d)

(i) 5 , (ii) $\sqrt{\pi}$

8.

The positions of zero amplitudes in a stationary wave is known as

a)

node

b)

antinode

9.

9 . Distance between a node and the nearest antinode is $\frac{\lambda}{2}$ State if it is true or false

a)

true

b)

false

10.

This fig.represents the standing waves formed in a stretched string..Which is the mode in which it is vibrating

a)

first harmonic

b)

third harmonic

c)

second harmonic

d)

nth harmonic

Waves

Total questions: 10

Worksheet time: 5mins

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