NDA 2022 Session IIPhysicseasyQ133. The refractive index of crown glass is close to 3/2. If the speed of light in air is c, then the speed of light in the crown glass will be close to(a)(3/2)c(b)(4/9)c(c)(2/3)c(d)(9/4)cAnswer with full explanation — NDA 2022 (II) →Report Issue
