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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Answer briefly. Define amplitude. - Physics

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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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Common Properties of All Waves
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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.

Explain what is meant by phase of a wave.


State any four properties of progressive wave.


Solve the following problem.

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


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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?


The wave of the wavelength 30 cm and frequency 100 Hz will be ______.


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 ____________.


In a closed pipe, the note of fundamental frequency can be produced if the length of the air column is equal to ____________.


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 ______.


When the observer moves towards a stationary source with velocity V1, the apparent frequency of emitted note is F1. When observer moves away from the source with velocity V1, the apparent frequency is F2. If V is the velocity of sound in air and `"F"_1/"F"_2=2` then `"V"/"V"_1` is equal to ______.


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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 ______.


A source of 300 Hz frequency, an observer and a wind are moving as shown in the figure with respect to the ground. The frequency heard by observation is ______.

 

(Take, the speed of sound in air = 340 m/s)


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?


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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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