sci_phy

Wave Properties

Chapter summary, hard words and model exam answers for ICSE Class 10 Hindi.

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Physics · CBSE 10 · ICSE 10 · GCSE (AQA, Edexcel, OCR)

Drop a stone in a pond and ripples spread out, but a floating leaf only bobs up and down on the spot.

Bigger amplitude means more energy. More frequency means more waves squeezed into each second.

Light and water waves are transverse. Sound is longitudinal, made of squashes (compressions) and stretches (rarefactions).

For a fixed speed, higher frequency forces a shorter wavelength. All light in a vacuum travels at 3 × 10^8 m/s.

amplitude	the maximum displacement of a particle from its rest position
wavelength (lambda)	the distance between two matching points on a wave, such as crest to crest
frequency (f)	the number of complete waves passing a point each second, in hertz
period (T)	the time for one complete wave to pass a point; T = 1 / f
transverse wave	a wave whose vibration is at right angles to the travel direction
longitudinal wave	a wave whose vibration is along the travel direction
compression	a region of a longitudinal wave where particles are bunched together
rarefaction	a region of a longitudinal wave where particles are spread apart

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