Optics 2 Question 30
29. A parallel beam of light travelling in water (refractive index
(a) Find the position of the image due to refraction at the first surface and the position of the final image.
(b) Draw a ray diagram showing the positions of both the images.
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Answer:
Correct Answer: 29. (a)
Solution:
- (a)
Applying
First on left surface
i.e. first image will be formed at
Second on right surface Now, distance of first image
or
(b) The ray diagram is shown in figure.
NOTE
- At
- At
- Both the images
