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If the speed of a wave doubles as it passes from shallow water into deeper water, its wavelength will be
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The correct answer is:
doubled
We have, speed $=$ frequency $\times$ wavelength
Also, when a wave passes from one medium to the other, its frequency remains constant.
$\therefore$ speed $\propto$ wavelength
Therefore, when the speed of a wave doubles, its wavelength also doubles.
Also, when a wave passes from one medium to the other, its frequency remains constant.
$\therefore$ speed $\propto$ wavelength
Therefore, when the speed of a wave doubles, its wavelength also doubles.
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