iv. A laser beam enters from air to soap solution in water then _______.
(A) it goes away from the normal (B) it bends towards the normal
(C) it travels straight without bending (D) it returns back into air
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(B) it bends towards the normal because soap solution is more denser than air and the laser beam will refract and will bend towards the normal....
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Answer:
B) It bend towards the normal because when a beam of light inter from rarer medium to denser medium it bend towards the normal
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