Question

Calculate the time which light will
take to travel hormally tauaught
glan of thickness. I milimeto
f in glass is 1.5​

Answer 1

t=?,x=1mm=10−3m  

vel. of light in glass,

v=cμ=3×1081.5=2×108m/s

t=xv=10−32×108=5×10−12s

Mark brainliest! ^_^