Question

. A monochromatic light passes through a glass slab (\mu=1.5) of thickness 9 cm in time I_{1} If it takes a time t_{2} to travel the same distance through water (\mu=4/3) . the value of (1_{1}-t_{2}) is IN 3) 2.5\times10^{-10}scc 4) 5\times10^{-10}sec 1) 5\times10^{-11}scc 2) 5\times10^{-8}sec for juntar​

Answer 1

Answer:

5x10-11 sec

Explanation:

see the image above