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CBSE Class 10 Answered

Respected sir, What is optical centre?
Asked by nkrbasak | 18 Sep, 2010, 12:00: AM
answered-by-expert Expert Answer
A point on the axis of a lens that is so located that any ray of light passing through it in passing through the lens suffers no net deviation and that may be within, without, or on either surface of the lens
Answered by | 18 Sep, 2010, 07:04: PM

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CBSE 10 - Physics
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CBSE 10 - Physics
student observes the above phenomenon in the lab as a white light passes through a prism. Among many other colours, he observed the position of the two colours Red and Violet. What is the phenomenon called? What is the reason for the violet light to bend more than the red light?
Asked by saurabhjd527 | 30 Jan, 2024, 07:55: PM
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CBSE 10 - Physics
If rays are coming from a different object to adouble convex lens with two different refractive indices Mu1 and Mu 2 above and below the principal axis, explain how many images will be seen?
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Asked by subrasixty | 13 Jan, 2024, 05:05: PM
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CBSE 10 - Physics
Is object distance always negative in both lens and mirrors?
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CBSE 10 - Physics
The image of a candle flame placed at a distance of 30 cm from a spherical lens is formed on a screen placed at a distance of 60 cm from the lens. If the height of the flame is 2.4 cm,find the height of its image 
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CBSE 10 - Physics
describe the refraction taking place in the rainbow formation  
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CBSE 10 - Physics
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CBSE 10 - Physics
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