67ᵗʰ B.P.S.C. (Re-Exam) (Pre) 2022
The speed of light, will be minimum while passing through
aWater
bVacuum
cAir
dGlass✓ Correct
eNone of the above/More than one of the above
Explanation
In the medium having a higher refractive index, the speed of light is minimum. Among glass, vacuum, water and air, glass has the highest refractive index; therefore, the speed of light is minimum in glass.
general-science