A girl was playing with a thin beam of light from her laser torch by ... (ii)If white light source is used
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Dear Student,
The Question you have asked is ambiguous. But still let me answer.
1)A Girl was playing with a thin beam of light from her Laser by directing it from different directions on convex lens. She was surprised to see that in a particular direction , the beam of light continued to move in same direction after passing through lens.
Reason For observation:
1)The girl might have incident the beam of light along the optic centre of lens, where the light passes undeviated, that is it moves in the same direction.
2) a )If white light passes through transparent object with parallel sides it refracts laterally as in case of Glass slab.
b)If White light passes through transparent object with non-parallel side like prism , then dispersion of white light occurs into 7 different colours [ VIBGYOR]
The Question you have asked is ambiguous. But still let me answer.
1)A Girl was playing with a thin beam of light from her Laser by directing it from different directions on convex lens. She was surprised to see that in a particular direction , the beam of light continued to move in same direction after passing through lens.
Reason For observation:
1)The girl might have incident the beam of light along the optic centre of lens, where the light passes undeviated, that is it moves in the same direction.
2) a )If white light passes through transparent object with parallel sides it refracts laterally as in case of Glass slab.
b)If White light passes through transparent object with non-parallel side like prism , then dispersion of white light occurs into 7 different colours [ VIBGYOR]
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