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When did scientific study of waves begin...

When did scientific study of waves begin? Give names of those scientists who had studied physics of waves.

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Since the ancient times, sound waves have been influencing the minds of people. But scientific analysis of waves began in `17^(th)` century. Major contribution in this study was given by scientists like Christian Huygens, Robert Hooke and Isaac Newton.
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Huygen was the figure scientist who proposed the idea of wave theory of light he said that the light propagates in form of wavelengths. A wavefront is a imaginary surface of every point of which waves are in the same. phase. For example the wavefront for a point source of light is collection of concentric spheres which have centre at the origin w_(1) is a wavefront w_(2) is another wavefront. The radius of the wavefront at time 't' is 'ct' in thic case where 'c' is the speed of light the direction of propagation of light is perpendicular to the surface of the wavelength. the wavefronts are plane wavefronts in case of a parallel beam of light. Huygen also said that every point of the wavefront acts as the source of secondary wavelets. The tangent drawn to all secondary wavelets at a time is the new wavefront at that time. The wavelets are to be considered only in the forward direction (i.e., the direction of propagation of light) and not in the reverse direction if a wavefront w_(1) and draw spheres of radius 'cDeltat' they are called secondary wavelets. Draw a surface w_(2) which is tangential to all these secondary wavelets w_(2) is the wavefront at time t+Deltat Huygen proved the laws of reflection and laws of refraction using concept of wavefront. Q. A point source of light is placed at origin, in air. the equation of wavefront of the wave at time t, emitted by source at t=0 is (take refractive index of air as 1)

Huygen was the figure scientist who proposed the idea of wave theory of light he said that the light propagates in form of wavelengths. A wavefront is a imaginary surface of every point of which waves are in the same. phase. For example the wavefront for a point source of light is collection of concentric spheres which have centre at the origin w_(1) is a wavefront w_(2) is another wavefront. The radius of the wavefront at time 't' is 'ct' in thic case where 'c' is the speed of light the direction of propagation of light is perpendicular to the surface of the wavelength. the wavefronts are plane wavefronts in case of a parallel beam of light. Huygen also said that every point of the wavefront acts as the source of secondary wavelets. The tangent drawn to all secondary wavelets at a time is the new wavefront at that time. The wavelets are to be considered only in the forward direction (i.e., the direction of propagation of light) and not in the reverse direction if a wavefront w_(1) and draw spheres of radius 'cDeltat' they are called secondary wavelets. Draw a surface w_(2) which is tangential to all these secondary wavelets w_(2) is the wavefront at time t+Deltat Huygen proved the laws of reflection and laws of refraction using concept of wavefront. Q. Spherical wavefronts shown in figure, strike a plane mirror. reflected wavefront will be as shown in

KUMAR PRAKASHAN-WAVES-SECTION-F (Questions From Module) (Sample questions for preparation of competitive exams)
  1. When did scientific study of waves begin? Give names of those scientis...

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  2. In a standing wave formed by two atoms separated by 1.21Å, there are 3...

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  3. Relation between phase difference (Delta phi) and path difference (Del...

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  4. Give distance between consecutive nodes and antinodes in terms of wave...

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  5. Velocity of a wave y = 10 ^(-4) sin (100 t - (x)/(10)) m is …...m/s

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  6. Find wave speed in a string of length 7m, mass 0.035 kg and having a t...

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  7. A source whistling a sound of frequency 450 Hz moves towards a station...

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  8. For a stationary wave y = 10 sin ((pi x )/(4)) cos (2pi t ) metre, di...

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  9. For a progressive wave y = Asin(kx-wt), ratio of maximum velocity of a...

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  10. Velocity of sound in O(2) gas is 460 ms^(-1) at certain temperature. ...

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  11. One car while moving towards a cliff, blows a horn with frequency f. I...

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  12. Phase difference between two waves y (1) = A sin (omega t - kx) and y ...

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  13. When a wave passes through a given medium, which of following quantiti...

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  14. Two waves with wavelength lamda have phase difference of 60° at the po...

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  15. One rod vibrates with frequency 200 Hz. It produces a sound which trav...

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  16. When some vehicle moves towards a stationary person, he finds differen...

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  17. When two waves of amplitudes 3 unit and 5 unit superpose at some point...

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  18. During earthquake at one place transverse wave (S) and longitudinal wa...

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  19. If temperature of weather changes then ..... will be affected for soun...

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  20. For one closed pipe and one open pipe, frequencies of their first harm...

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  21. One person moves towards a stationary source of sound with a speed (1)...

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