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Home /Doubts and Solutions/CBSE/Class 10/Physics/The Human Eye And The Colourful World

# The Human Eye And The Colourful World Free Doubts and Solutions

## Why does the sun appeares reddish early in the morning?

Asked by Lalithaong 28th September 2018, 2:58 PM
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## Why does ocean appear blue and why do clouds appear white?pl answer asap😀😀😃tnx

Asked by B P 30th January 2017, 1:42 PM
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## What is presbyopia? Can presbyopia treated by convex lens with suitable power?

Asked by mehaksri2001 11th January 2017, 12:19 AM
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## Please give me :   The angle of deviation(∠δ) when a ray of light passes through a prism with angle of prism(∠BAC) = 60º. I want the angle of deviation(∠δ) if the ray strikes the prism with an angle of incidence(∠i) of 30º, 35º, 40º, 45º, 50º, 55º and 60º (Atleast 30º and 45º).

Asked by sureshkalanjoor 26th February 2016, 8:28 PM
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## What is the approximate focal length of the normal eye lens with a diameter of the eyeball 2.3cm (i) when it focuses a faraway object? (ii) when it focuses an object at 25cm?

Asked by Jerlin George 11th February 2016, 3:34 PM
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## How does light determine the colour of a diamond when all diaonds are chemically identical?

Asked by joshiraghavendra53 20th March 2015, 12:28 PM
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## Why is it that the 7 colours recombine when they pass through a prism ?

Asked by raghavdinesh 6th March 2015, 7:50 PM
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## Issac Newton showed that a glass prism can cause the dispersion of white light and he also showed about how if an inverted prism is kept near the other prism The 7 colours join back to form a white light . What if the second prism is kept upright ? What happens to the spectrum of colours ?

Asked by raghavdinesh 6th March 2015, 7:32 PM
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## For a glass prism of refractive index 1.5 the angle of minimum deviation is equal to angle of prism . What is the angle of prism. What is the relation between angle i and angle r if the angle of deviation is minimum.

Asked by P S Lakshmi 5th March 2015, 9:47 PM
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## why rainbow is always formed on opposite side of the sun. please answer fast before live chat ends

Asked by Sanchit Sharma 2nd March 2015, 6:41 PM
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