A glass slab of width 't', refractive index \['\mu '\] is placed as sh – McqOptions

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1.	A glass slab of width 't', refractive index \['\mu '\] is placed as shown in the figure. If the point object, moves with a speed 2 cm/sec towards the slab the observed speed by the observer will be :
A.	2 cm/sec
B.	less than 2 cm/sec
C.	greater than 2 cm/sec
D.	\[(2/\mu )\] cm/sec
Answer» B. less than 2 cm/sec

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