Apparent Depth Through Slab – Rankers Physics

Refraction by Plane Surfaces: Practice Problem & Solution

Assertion (A): There is refracting glass slab between Ram and Anoop, then Ram appears nearer to Anoop as Compared to the actual distance between them. Reason (R): Ray of light starting from Ram will undergo two times refraction before reaching to Anoop.  
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Both (A) & (R) are true but the (R) is not the correct explanation of the (A)
(A) is true but (R) is false
Both (A) and (R) are false

Solution Explained:

To solve this problem, we apply the core principles of Refraction by Plane Surfaces. Understanding the underlying formula is key to arriving at the correct answer below:

When light rays pass from a denser medium (glass slab) to a rarer medium (air), they bend away from the normal, making the object appear closer than its actual position. This phenomenon is known as apparent depth.

Light from Ram travels through the slab, undergoing refraction at both surfaces (air to glass and glass to air), leading to this apparent shift. Both A and R are true, and R explains A.

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