Light Reflection and Refraction
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1
614
Define and show on a diagram, the following terms relating to a concave mirror: (i) Apertu...
By Tulika pia, 5 years ago
replies 1
0
1
451
The image of an object placed at 60 cm in front of a lens is obtained on a screen at a dis...
By Tulika pia, 5 years ago
replies 1
0
1
721
How far should an object be placed from a convex lens of focal length 20 cm to obtain its ...
By Tulika pia, 5 years ago
replies 1
0
1
245
At what distance should an object be placed from a convex lens of focal length 18 cm to ob...
By Tulika pia, 5 years ago
replies 1
0
1
291
In an experiment with a rectangular glass slab, a student observed that a ray of light inc...
By Tulika pia, 5 years ago
replies 1
0
1
8973
The speed of light in a transparent medium is 0.6 times that of its speed in vacuum. What ...
By Tulika pia, 5 years ago
replies 1
0
1
2550
A ray of light enters a rectangular glass slab of refractive index 1.5. It is found that t...
By Tulika pia, 5 years ago
replies 1
0
1
287
A girl was playing with a thin beam of light from her laser torch by directing it from dif...
By Tulika pia, 5 years ago
replies 1
0
1
213
How should a ray of light be incident on a rectangular glass slab so that it comes out fro...
By Tulika pia, 5 years ago
replies 1
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