Question

You may be observed that, the fish inside the aquarium appears to be raised.

1. What is the reason for this phenomenon?

2. Obtain an expression for apparent shift of fish.

3. What happens to the height of the object, (That vertically stands in the aquarium) when it is observed by the fish.

• becomes taller
• becomes smaller
• Does not change the height. Justify your answer

Answer 1

1. Refraction

2. Expression for apparent shift is not included in the syllabus

3. Becomes taller.

When light enters from rare to denser medium, it deviates towards the normal.