Physics, asked by rishukumari1647, 9 months ago

please answer tell me

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Answered by Anonymous

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sorry don't know the answer please follow me and mark me as brainlist

Answered by SammyRyuga

1

Answer:

I can't see the figure which refers to the mediums

19(iv) The answer is both speed and wavelength

19(v) d) 2.42

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