anaelisasilvasa anaelisasilvasa

13-05-2021
Biology

contestada

18. Refraction is caused by
a) Waves encountering a gap
b) More than one reflection
c) Displaced images
d) Changing waves speeds at a boundary

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prashant12345 prashant12345

14-05-2021

Explanation:

Option D is the correct option.

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