Q. The change in direction of a wave when it passes from one medium to another is known as __________.
जब कोई तरंग एक माध्यम से दूसरे माध्यम में जाती है तो उसकी दिशा में परिवर्तन को __________ कहा जाता है।
Explanation
Refraction occurs when a wave changes speed as it enters a different medium, resulting in a change in direction.
Common in light and sound waves.
Example: a straw appearing bent in a glass of water.
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