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प्रश्न
When a wave undergoes refraction ______.
पर्याय
frequency changes
amplitude changes
velocity changes
both amplitude and frequency changes
MCQ
रिकाम्या जागा भरा
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उत्तर
When a wave undergoes refraction velocity changes.
Explanation:
When a wave refracts, its velocity changes but its frequency and amplitude remain constant.
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Introduction of Wave Mechanics
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