ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 18

EASY

11th ICSE

IMPORTANT

Earn 100

The displacement equation of a transverse wave in a string is expressed as $y = 1.5 \sin π (6 t + 0.002 x)$ , where $y$ and $x$ are expressed in $cm$ and $t$ in second. Find the frequency of the wave.

Important Questions on Progressive Harmonic Waves

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 19

A wave whose amplitude is

0.2 mm

and frequency is

500 s^{- 1}

travels in air with a velocity of

350 m s^{- 1}

. Determine the displacement of the particle situated at a distance of

3.5

from the origin in the direction of the wave at the instant

t = 0.05 s

.

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 20

A progressive wave in a string is expressed by the equation

y = 0.4 \sin (120 π t - \frac{4 π}{5} x),

where the distances are given in metre and time in second. Calculate frequency.

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 21

A progressive wave in a string is expressed by the equation

y = 0.4 \sin (120 π t - \frac{4 π}{5} x),

where the distances are given in metre and time in second. Calculate wavelength.

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 21

The equation of a transverse wave in a string is

y = 1.2 \sin (6 t + 0.005 x) π,

where y and x are measured in cm and t in second. Calculate the amplitude, frequency, wavelength and speed of the wave.

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 22

The equation of a transverse wave in a string is

y = 1.2 \sin (6 t + 0.005 x) π,

where y and x are measured in

cm

t

in second. Write the equation of that wave whose amplitude and frequency are the same but whose phase difference from the above wave is

+ \frac{π}{2}

.

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>NUMERICALS>Q 22

The equation of motion of a particle is

y = 1.2 \sin (3.5 t + 0.5 x)

, where distances and time are respectively in metre and second. Determine the amplitude, frequency and maximum velocity of the particle.

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 1

Sound and light waves travelling in air are :

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 2

With the propagation of longitudinal wave through a material medium, the quantities transmitted in the direction of propagation are :