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Light Reflection and Refraction

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1
377
An object 2 cm tall is placed on the axis of a convex lens of focal length 5 cm at a dista...
By Deepak Rock, 4 years ago
replies 1
0
1
482
At what distance should an object be placed from a convex lens of focal length 18 cm to ob...
By Deepak Rock, 4 years ago
replies 1
1
1
258
An object 5 cm high is held 25 cm away from a converging lens of focal length 10 cm. Find ...
By Deepak Rock, 4 years ago
replies 1
1
1
350
A converging lens of focal length 5 cm is placed at a distance of 20 cm from a screen. How...
By Deepak Rock, 4 years ago
replies 1
0
1
153
A convex lens produces an inverted image magnified three times of an object placed at a di...
By Deepak Rock, 4 years ago
replies 1
0
1
370
An object is placed at a distance of 100 cm from a converging lens of focal length 40 cm. ...
By Deepak Rock, 4 years ago
replies 1
0
1
465
Calculate the focal length of a convex lens which produces a virtual image at a distance o...
By Deepak Rock, 4 years ago
replies 1
0
1
458
Find the position and nature of the image of an object 5 cm high and 10 cm in front of a c...
By Deepak Rock, 4 years ago
replies 1
0
1
323
A small object is so placed in front of a convex lens of 5 cm focal length that a virtual ...
By Deepak Rock, 4 years ago
replies 1
0
1
432
An object 4 cm high is placed at a distance of 10 cm from a convex lens of focal length 20...
By Deepak Rock, 4 years ago
replies 1
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