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CBSE Class 12-science Answered

when snell's law is not valid? or for what angle of incidence snell's law is not valid?
Asked by satwarsuraj | 10 May, 2020, 06:33: PM
answered-by-expert Expert Answer
Snell's law is not applicable when angle of incidence is zero as the angle of refraction will also be zero. 
Answered by Shiwani Sawant | 10 May, 2020, 08:34: PM

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CBSE 12-science - Physics
explain relative refractive index??
Asked by zahirqk | 08 Jan, 2023, 09:50: AM
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CBSE 12-science - Physics
What is real depth and apparant depth and deravation
Asked by parjapati16062003 | 10 Jan, 2022, 10:12: AM
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CBSE 12-science - Physics
when snell's law is not valid? or for what angle of incidence snell's law is not valid?
Asked by satwarsuraj | 10 May, 2020, 06:33: PM
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CBSE 12-science - Physics
In an aquarium a fish 6 cm long is swimming directly towards the plane glass front . If at a certain moment head of the fish is 18 cm behind the glass front,find the apparent length of the fish as seen by a person looking through the glass.  Given R.I. of water = 4/3
Asked by mridulabarua05 | 02 Feb, 2019, 11:28: AM
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CBSE 12-science - Physics
When a white ray of light passes through a prism , it is dispersed. Why? Why does violet colour deviates most, but red colour deviates least while dispersed by a prism?
Asked by pradeepjsme | 01 Feb, 2019, 02:13: PM
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CBSE 12-science - Physics
draw the path of a ray passing through a glass slab. state the factors on which lateral displacement depend. what is the angle of deviation of emergent ray
Asked by kalyani | 19 Sep, 2018, 04:28: PM
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CBSE 12-science - Physics
What is refraction? State the three laws of refraction.
Asked by Topperlearning User | 20 May, 2014, 03:06: PM
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CBSE 12-science - Physics
What is the basic cause for refraction?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 12-science - Physics
Why does a tank appear shallower than its actual depth?
Asked by Topperlearning User | 20 May, 2014, 03:25: PM
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CBSE 12-science - Physics
Prove that apparent depth is ¾ of real depth.
Asked by Topperlearning User | 20 May, 2014, 03:32: PM
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