Question

35)condition for T.I.R.
a) angle of incidence(i) should be greater than critical angle(0)
b) u, should be greater than uz
c) both (a) and (b)
d) none of these.







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Answer 1

Answer:

may be its option is a or c maximum its c

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Answer 2

Answer:

what is T.I.R?

Explanation:

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