1.

An assertion (A) and a reason (R) are given below._x005F_x000D_  _x005F_x000D_ Assertion (A) : Tungsten filament is used for making light bulbs._x005F_x000D_ Reason (R) : Tungsten has a high melting point._x005F_x000D_  _x005F_x000D_ Choose the correct option._x005F_x000D_

A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true, but R is not the correct explanation of A
C. A is true, but R is false
D. A is false, but R is true
Answer» B. Both A and R are true, but R is not the correct explanation of A


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