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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

State any four properties of progressive wave.

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प्रश्न

State any four properties of progressive wave.

थोडक्यात उत्तर
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उत्तर

The properties of progressive waves are:
Amplitude, wavelength, period, double periodicity, frequency and velocity.

Progressive waves are classified into two types:

  1. Transverse progressive waves
  2. Longitudinal progressive waves

Characteristics of progressive waves:

  1. All the vibrating particles of the medium have the same amplitude, period, and frequency.
  2. State of oscillation, i.e., phase changes from particle to particle.
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पाठ 8: Sound - Exercises [पृष्ठ १५८]

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बालभारती Physics [English] Standard 11 Maharashtra State Board
पाठ 8 Sound
Exercises | Q 2. (xviii). ii. | पृष्ठ १५८

संबंधित प्रश्‍न

Answer briefly.

Wave motion is doubly periodic. Explain.


Answer briefly.

Define amplitude.


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`

Answer briefly.

Explain what is meant by phase of a wave.


Define 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.


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


Sound waves are passing through two routes one in straight path and the other along a semicircular path of radius r and are again combined into one pipe and superposed as shown in the figure. If the velocity of sound waves in the pipe is v, then frequencies of resultant waves of maximum amplitude will be integral multiples of ______.


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 ______.


The following figure shows the shape of part of a long string in which transverse waves are produced by attaching one end of the slring to tuning fork of frequency 300 Hz. The velocity of the waves 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 ______.


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].


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 ______.


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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