can anyone please explain the following
1. diffraction of sound
2. refraction of light
3. do 4 amplitudes make 1 oscillation? if no, what is an amplitude.
i have my exam tomorrow. please help
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when light pass through medium such as glass ,water etc. it will displace or bent through its path. ti is refraction
Bharathiraghavan:
what about other terms? i have my exam at 1pm
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