A parallel beam of light strikes a piece of transparent glass having the cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale). [2020]

Question

Smart Achievers · Accepted Answer

(1)

Clearly, the middle part of the glass is diverging and upper and lower parts are converging. Therefore, the correct shape of the emergent wavefront is as shown in the figure.

Solution

Q.
A parallel beam of light strikes a piece of transparent glass having the cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale). [2020]

1

2

3

4

Ans.
(1)

Clearly, the middle part of the glass is diverging and upper and lower parts are converging. Therefore, the correct shape of the emergent wavefront is as shown in the figure.

Want Us to Email you About Special Offers & Updates?

Solution

Q. A parallel beam of light strikes a piece of transparent glass having the cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale). [2020]

1

2

3

4

Ans. (1) Clearly, the middle part of the glass is diverging and upper and lower parts are converging. Therefore, the correct shape of the emergent wavefront is as shown in the figure.

Want Us to Email you About Special Offers & Updates?

Q.
A parallel beam of light strikes a piece of transparent glass having the cross section as shown in the figure below. Correct shape of the emergent wavefront will be (figures are schematic and not drawn to scale). [2020]

Ans.
(1)

Clearly, the middle part of the glass is diverging and upper and lower parts are converging. Therefore, the correct shape of the emergent wavefront is as shown in the figure.