How do we will find the sine of angle of incidence during refraction?
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1
The angle will be given u just u have to put the value according to trigonometric table and u will be able to find ur answer
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vpaul4185:
Sorry not the proper answer
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3
Sine of angle of incidence can be found by finding the angle of incidence .
Angle of incidence = angle of deviation - angle of refraction.
OR
Angle of incidence = angle of refraction - angle of deviation .
This depends on whether angle of refraction > angle of deviation or not.
So once we find angle of incidence we can easily find sine of that angle.
Now suppose angle of deviation is not mentioned then what to do ?
In this case we need to be given angle of incidence without which the problem cannot be solved .
So your answer is "To find sin ( i ) we must find angle i "
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