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11th ICSE

IMPORTANT

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A simple harmonic wave having an amplitude A and time-period T is represented by the equation, $y = 5 \sin π (t + 4)$ metre. Then, the values of A (in metre) and T (in second) are :

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Important Questions on Progressive Harmonic Waves

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 14

Equation of a wave motion (with t in second and x in metre) is given by,

y = 7 \sin (7 πt - 0.04 πx + \frac{π}{3})

. The velocity of the wave is given by :

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 15

A transverse sinusoidal wave moves along a string in the positive X-direction at a speed of $10 cm s^{- 1}$ . The wavelength of the wave is $0.5 m$ and its amplitude is $10 cm$ . At a particular time t, the snap-shot of the wave is shown in figure. The velocity of point P when its displacement is 5 cm is -

Question Image

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 16

A wave travelling along the X-axis is described by the equation

y (x, t) = 0.005 \cos (α x - β t) .

If the wavelength and the time period of the wave are

0.08 m

and

2.0 s

, respectively, then

α

and

β

in appropriate units are :

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 17

A travelling wave in a stretched string is described by the equation

y = A \sin (k x - ω t)

. The maximum particle velocity is :

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 18

The equation of a transverse wave is

y = y_{0} \sin 2 π (f t - \frac{x}{λ})

. The maximum particle velocity is four times that of wave velocity, if :

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 19

The displacement y (in cm) produced by a simple harmonic wave is given by

y = \frac{10}{π} \sin (2000 πt - \frac{πx}{17})

. The periodic time and the maximum velocity of the particles in the medium will respectively be :

EASY

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 20

When a sound wave of frequency

300 hertz

passes through a medium, the maximum displacement of a particle of the medium is

0.1 cm

. The maximum velocity of the particle is :

MEDIUM

11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 21

A transverse sinusoidal wave of amplitude

a

, wavelength

λ

and frequency

f

is travelling on a stretched string. The maximum speed of any point on the string is

\frac{v}{10}

, where v is the speed of propagation of the wave. If

a = 10^{- 3} m

and

v = 10 {ms}^{- 1}

, then

λ

and

f

are given by :

A simple harmonic wave having an amplitude A and time-period T is represented by the equation, y=5 sin πt+4 metre. Then, the values of A (in metre) and T (in second) are :

Important Questions on Progressive Harmonic Waves

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A simple harmonic wave having an amplitude A and time-period T is represented by the equation, $y = 5 \sin π (t + 4)$ metre. Then, the values of A (in metre) and T (in second) are :