Entrance

Determine the depth of water that contains the same number of waves as 16 cm of glass when each is traversed by the same monochromatic light given u of water and glass are 4/3 and 3/2 respectively.

(a)18 cm               (b) 12 cm
(c) 15 cm              (d) 10 cm

Note: (Conditions)
1) Like Our Page on Facebook
2) Share this Question on Facebook
(Winner will be provided Rs 50 NTC/NCELL recharge card)