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प्रश्न
Define progressive wave.
उत्तर
Waves in which a disturbance created at one place travels to distant points and keeps travelling unless stopped by an external force are known as travelling or progressive waves.
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संबंधित प्रश्न
Answer briefly.
Draw a wave and indicate points which are
- in phase
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Answer briefly.
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Answer briefly.
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A certain sound wave in air has a speed 340 m/s and wavelength 1.7 m for this wave, calculate
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In frequency modulated wave ______.
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(Take, the speed of sound in air = 340 m/s)
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