A ray of light passes through a rectangular glass block placed in a homogeneous medium. It is refracted and totally internally reflected. Which diagram shows a possible path of this ray ?

Question

A ray of light passes through a rectangular glass block placed in a homogeneous medium. It is refracted and totally internally reflected. Which diagram shows a possible path of this ray ? (A)  (B)  (C)  (D)

Tardigrade Admin · Accepted Answer

(3) and (4) are not possible become ray diagram shows a the R.I. of surrounding of glass is more (1) arrow wrong angle of incidence seems to be small as compared to critical angle (≈ 41°). (2) is correct

Q. A ray of light passes through a rectangular glass block placed in a homogeneous medium. It is refracted and totally internally reflected. Which diagram shows a possible path of this ray ?

$(3)$ and $(4)$ are not possible become ray diagram shows a the $R . I$ . of surrounding of glass is more $(1) \to$ wrong angle of incidence seems to be small as compared to critical angle $(\approx 4 1^{\circ})$ . $(2)$ is correct

Q. A ray of light passes through a rectangular glass block placed in a homogeneous medium. It is refracted and totally internally reflected. Which diagram shows a possible path of this ray ?

(3) and (4) are not possible become ray diagram shows a the R.I. of surrounding of glass is more (1)→ wrong angle of incidence seems to be small as compared to critical angle (≈41∘). (2) is correct

$(3)$ and $(4)$ are not possible become ray diagram shows a the $R . I$ . of surrounding of glass is more $(1) \to$ wrong angle of incidence seems to be small as compared to critical angle $(\approx 4 1^{\circ})$ . $(2)$ is correct