A laser beam enters from air to soap solution in water then __________ a) it goes away from normal b) it bends towards the normal c) it travels straight without bending d) it returns back into air
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A ‘laser beam’ enters from ‘air to soap solution’ in water then ‘it bends towards the normal’.
Option: (b)
Explanation:
- This bending of light passing through ‘one substance to another’ is called the process of refraction.
- The light that travels from air into water it goes through the air into a denser substance of water.
- This travelling of light from the air and going inside the water makes it change its direction slightly towards the normal line.
- The changing of the direction of light is referred to as ‘refraction’.
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