Light Reflection and Refraction
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159
What kind of mirror is required for obtaining a virtual image of the same size as the obje...
By Trisha Dave, 5 years ago
replies 1
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148
What type of image is formed: (a) in a plane mirror? (b) on a cinema screen?
By Trisha Dave, 5 years ago
replies 1
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1
169
What happens when a ray of light falls normally (or perpendicularly) on the surface of a p...
By Trisha Dave, 5 years ago
replies 1
0
1
261
Define power of a lens. What is its unit? One student uses a lens of focal length 50 cm an...
By Tulika pia, 5 years ago
replies 1
0
1
202
The image of a candle flame formed by a lens is obtained on a screen placed on the other s...
By Tulika pia, 5 years ago
replies 1
0
1
186
Draw ray diagrams showing the image formation by a convex mirror when an object is placed ...
By Tulika pia, 5 years ago
replies 1
0
1
177
Under what condition in an arrangement of two plane mirrors, incident ray and reflected ra...
By Tulika pia, 5 years ago
replies 1
0
1
178
A convex lens of focal length 20 cm can produce a magnified virtual as well as real image....
By Tulika pia, 5 years ago
replies 1
0
1
197
Refractive index of diamond with respect to glass is 1.6 and absolute refractive index of ...
By Tulika pia, 5 years ago
replies 1
0
1
191
A pencil when dipped in water in a glass tumbler appears to be bent at the interface of ai...
By Tulika pia, 5 years ago
replies 1
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