Which of the following is true about the value of refractive index of quartz glass?
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a
Same in all directions
b
Different in different directions
c
Cannot be measured
d
Always zero
answer is A.
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Detailed Solution
Since, quartz glass is an amorphous solid having short range order of constituents. Hence, value of refractive index for it is same in all the directions. It can be measured and may or may not be equal to zero.