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Home » Fsc Part 1 » Physics » Notes » Chapter 8 Physics | 1st Year
Fsc Part 1

Chapter 8 Physics | 1st Year

April 4, 2013Updated:September 27, 20221 Comment2 Mins Read
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Chapter 8 Notes | Physics 1st Year

“Waves”

Index:chapter-8-physics-1st-year-notes

  1. Waves
  2. Matter Waves
  3. Progressive Waves
  4. Transverse Waves
  5. Longitudinal Waves
  6. Periodic Waves
  7. Transverse Periodic Waves
  8. Equation of Wave Speed
  9. Speed of Sound in Air
  10. Laplace’s Correction
  11. Effect of Pressure on Velocity of Sound
  12. Effect of Density
  13. Effect of temperature
  14. Principle of Superposition
  15. Interference
  16. Beats
  17. Reflection of Waves
  18. Stationary Waves
  19. Stationary Waves in a Stretched String
  20. Doppler’s Effect
  21. Applications of Doppler’s Effect

See Also: 1st Year Paper Scheme 2021

See Also: Smart Syllabus 2021

 Key Points:

  1. Waves carry energy and this energy is carried out by a disturbance, which spreads out from the source.
  2. If the particles of the medium vibrate perpendicular to the direction of propagation of the wave, then such wave is called transverse wave , e.g light waves.
  3. If the particle of medium vibrate parallel to the direction of propagation of the wave, then such wave is called longitudinal wave, e.g sound wave
  4. If a particle of the medium is simultaneously acted upon by two waves, then the resultant displacement of the particle is the algebraic sum of their individual displacements. this is called principle of superposition.
  5. When two waves meet each other in a medium then at some points they reinforce the effect of each other and at some other points they cancel each ohter’s effect This phenomenon is called interference,
  6. The periodic variations of sound between maximum and minimum loudness are called beats.
  7. Stationary waves are produced in a medium, when two identical waves travelling in opposite directions interfere in that medium.
  8. The apparent change in the pitch of sound caused by the relative motion of either the source of sound or the listener is called Doppler effect.



1st year notes 1st year Physics notes Free Download Physics Notes fsc part 1 fsc part 1 notes Online Course Physics Notes
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1 Comment

  1. Ali asghar on January 10, 2019 11:05 am

    Please send me maths important questions

    Reply

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