A beam of light is incident from air on the surface of a liquid. The angle of incidence is \theta and the angle of refraction is \alpha. If the critical angle for liquid when surrounded by air is \theta_{ {c}} then \sin \theta_{ {c}} is

Correct Answer is : sin(α)sin(θ)

\frac{\sin (\alpha)}{\sin (\theta)}

\sin (\alpha) \times \sin (\theta)

\frac{\sin (\theta)}{\sin (\alpha)}

\frac{\sin (\alpha)}{\cos (\theta)}

AP EAPCET 07-Jul-2022 Shift 1 Paper

Section: Physics

Question : 102 of 160

Marks: +1, -0

A beam of light is incident from air on the surface of a liquid. The angle of incidence is θ and the angle of refraction is α. If the critical angle for liquid when surrounded by air is θc then sin‌θc is

‌
sin(α)
sin(θ)
sin(α)×sin(θ)
‌
sin(θ)
sin(α)
‌
sin(α)
cos(θ)

Validate

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