Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Physics Optics Refraction and Reflection
Rays of light get refracted while passing from air to glass because
1
Speed of light in glass is less than the speed of light in air
2
They cannot be reflected from a glass surface
3
Glass absorbs energy from the light rays
4
More than one of the above
5
None of the above