Question

3. When a ray of light strikes the surface of
separation of two optical media​

Answer 1

Answer:

Incident ray: - The ray of light which strikes the surface of separation of two media is called incident ray. . Point of incidence: - The point at which the incident ray strikes the interface of the two media is called point of incidence.

Explanation:

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Answer 2

Question ----✓

When a ray of light strikes the surface of

separation of two optical media

Answer ---✓

When the ray of light strikes normally, its angle of incidence is 0 and hence angle of refraction will also be 0 i.e. no deviation.