GATE Geology and Geophysics - GATE 2017-2018 Questions and Answers

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Determine the correctness or otherwise of the following Assertion [a] and Reason [r].

Assertion: Biaxial minerals can be pleochroic in three shades.

Reason: Biaxial minerals have three refractive indices.

Both [a] and [r] are true and [r] is the correct reason for [a]

[a] is true but [r] is false

[a] is false but [r] is true

Both [a] and [r] are true but [r] is not the correct reason for [a]

Answer : Option A

Explanation :

-NA-

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