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CBSE Class 10 Answered

why piece of glass disappears when immersed in glycerine – why?
Asked by polyrelation | 20 Mar, 2019, 07:39: AM
answered-by-expert Expert Answer
Glass objects are visible because they reflect some of the light that shines on them and bend or refract the light that shines through them. If you eliminate reflection from and refraction by a glass object, you can make that object disappear. 
Glass object are visible because they reflect some of the light that shines on them and bend or refract the light that shines through them.If you eliminate reflection from and refraction by a glass object, you can make the object disappear
Answered by Ankit K | 20 Mar, 2019, 10:05: AM

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CBSE 10 - Physics
what is refraction  
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If sun emmit yellow light so how it turns into white when it enters in earth atmosphere and if the question is ansewable then does it happens in other planets too
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sir iska answer solve kr ke do
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what do you mean by refraction of light?
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CBSE 10 - Physics
What if A is not given in the angle of deviation formula?  i + e - A
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define the refractive index of benzene if the critical angle of it is 42
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The speed of light in a transparent medium is 0.6 times as that of its speed in vacuum. What is the refractive index of the medium? (a) 1.0 (b) 1.33 (c) 1.55 (d)1.66
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 Define critical angle for a pair of media.
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