Light Reflection and Refraction
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296

A doctor has prescribed a corrective lens of power +1.5 D. Find the focal length of the le...
By Jaiyush19, 2 years ago
replies 1
0
1
164

Find the focal length of a lens of power -2.0 D. What type of lens is this?
By Jaiyush19, 2 years ago
replies 1
0
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196

An object of size 7.0 cm is placed at a distance of 27 cm in front of a concave mirror of ...
By Jaiyush19, 2 years ago
replies 1
1
1
163

An object 5.0 cm in length is placed at a distance of 20 cm in front of a convex mirror of...
By Jaiyush19, 2 years ago
replies 1
0
1
195

The magnification produced by a plane mirror is +1. What does this mean?
By Jaiyush19, 2 years ago
replies 1
0
1
109

An object is placed at a distance of 10 cm from a convex mirror of focal length 15 cm. Fin...
By Jaiyush19, 2 years ago
replies 1
0
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206

A concave lens of focal length 15 cm forms an image 10 cm from the lens. How far is the ob...
By Jaiyush19, 2 years ago
replies 1
0
1
293

An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. ...
By Jaiyush19, 2 years ago
replies 1
0
1
117

One-half of a convex lens is covered with a black paper. Will this lens produce a complete...
By Jaiyush19, 2 years ago
replies 1
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