The concave lens
Refraction of light in 'atmosphere' causes
The lenses used for short sighted are
Light travels more quickly in
Each pair of objects is identified by
More dense the object
The light in 'optical fiber' is
The refractive index of water is
If light enters any substance with refractive index, it is
Thin flexible glass rods to transfer data from one region to another are known as
When light bends, it
The concave lens is also known as
Screens of monitors and televisions are made by
Filter absorbs
Mirages are more common in
We can see things because light
The number of red cells in an eye is
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