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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Answer briefly. Define amplitude.

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प्रश्न

Answer briefly.

Define amplitude.

व्याख्या
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उत्तर

Amplitude (A): The largest displacement of a particle of a medium through which the wave is propagating, from its rest position, is called the amplitude of that wave. SI unit is (m).

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पाठ 8: Sound - Exercises [पृष्ठ १५७]

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बालभारती Physics [English] Standard 11 Maharashtra State Board
पाठ 8 Sound
Exercises | Q 2. (x) | पृष्ठ १५७

संबंधित प्रश्‍न

Answer briefly.

Wave motion is doubly periodic. Explain.


Answer briefly.

Define wavelength of a wave.


Answer briefly.

Draw a wave and indicate points which are

  1. in phase
  2. out of phase
  3. have a phase difference of `pi/2`

Define progressive wave.


State any four properties of progressive wave.


Solve the following problem.

A certain sound wave in air has a speed 340 m/s and wavelength 1.7 m for this wave, calculate 

  1. the frequency
  2. the period

Solve the following problem.

A tuning fork of frequency 170 Hz produces sound waves of wavelength 2 m. Calculate the speed of sound.


Two sinusoidal plane waves of the same frequency having intensities I0 and 4I0 are travelling in the same direction. The resultant intensity at a point at which waves meet with a phase difference of zero radians is ______


Two waves of the same amplitude superimpose to produce two beats per second. What is the ratio of minimum loudness to that of one of the waves?


The ratio of minimum to maximum wavelength in Balmer series is ____________.


In frequency modulated wave ______.


The frequency of a tuning fork is 384 per second and velocity of sound in air is 352 m/s. How far the sound has traversed while fork completes 48 vibration?


When the kinetic energy of an electron is increased, the wavelength of the associated wave will ______.


If velocity of sound in a gas is 360 m/s and the distance between a compression and the nearest rarefaction is 2 m, then the frequency of sound is ____________.


The frequency of a tuning fork is 220 Hz and the velocity of sound in air is 330 m/s. When the tuning fork completes 80 vibrations, the distance travelled by the ______.


A progressive wave of frequency 50 Hz is travelling with velocity 350 m/s through a medium. The change in phase at a given time interval of 0.01 s is ______.


The equation of wave motion is `y = 6 sin[12pit-0.02pix+pi/2],` where x is in m and t in second. The velocity of the wave is ______.


The width of a slit is 0.012 mm. Monochromatic light is incident on it. The angular position of first bright line is 5.2°. The wavelength of incident light is ______. [sin 5.2° = 0.0906].


In communication system, the process of superimposing a low frequency signal on a high frequency wave is known as ______.


Two instruments having stretched strings are being played in unison. When the tension of one of the instruments is increased by 1%, 3 beats are produced in 2 s. The initial frequency of vibration of each wire is ______.


An astronaut is approaching the moon. He sends out a radio signal of frequency 5000 MHz and the frequency of echo is different from that of the original frequency by 100 kHz. His velocity of approach wrt, to the moon, is ______.


A progressive wave of frequency 500 Hz is travelling with a velocity of 360 m/s. How far apart are two points 60° out of phase?


If a string fixed at both ends vibrates in four loops. The wavelength is 10 cm. The length of string is ______.


The energy of photon corresponding to a radiation of wavelength 600 nm is 3.32 × 10−19 J. The energy of a photon corresponding to a wavelength of 400 nm is ______. 


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