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SS2: PHYSICS - 3RD TERM

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  1. Waves I
    3 Topics
    |
    1 Quiz
  2. Light Waves
    3 Topics
    |
    1 Quiz
  3. Reflection of Light Waves at Plane Surfaces
    4 Topics
    |
    1 Quiz
  4. Curved Mirrors
    7 Topics
    |
    1 Quiz
  5. Refraction of Light
    7 Topics
    |
    1 Quiz
  6. Dispersion of White Light
    2 Topics
    |
    1 Quiz
  7. Refraction of Light through Lenses
    6 Topics
    |
    1 Quiz
  8. Application of Lenses in Optical Instruments
    10 Topics
    |
    1 Quiz
  9. Sound Waves
    7 Topics
    |
    1 Quiz
  10. Vibration in Springs & Pipes
    4 Topics
    |
    1 Quiz
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Topic Content:

  • Vibrations in Strings

When a stretched string is fixed at both ends, C and D, and when it is plucked slightly in the middle, a transverse wave travels along the vibrating string. There are two progressive waves travelling in opposite directions. 

transverse wave1
Fundamental mode of vibration

The string cannot move at points C and D, and these points are called Nodes.

Node (N) is a point on a wave where the vibration is permanently at rest.

 

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