waves

Related Questions

• The superposing waves are represented by the following equations : ${{y}_{1}}=5\sin 2\pi (10\,t-0.1x)$, ${{y}_{2}}=10\sin 2\pi (20\,t-0.2x)$. Ratio of intensities $\frac{{{I}_{\max }}}{{{I}_{\min }}}$ will be

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• Two sound waves of slightly different frequencies propagating in the same direction produce beats due to

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• Consider the following. <br>I: Waves created on the surfaces of a water pond by a vibrating sources. <br>II: Wave created by an oscillating electric field in air. <br>III: Sound waves travelling under water. Which of these can be polarized

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• A wave is reflected from a rigid support. The change in phase on reflection will be

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• A source of frequency 150 Hz is moving in the direction of a person with a velocity of 110 m/s. The frequency heard by the person will be (speed of sound in medium = 330 m/s)

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