Directions : Question are Assertion- Reason type questions. Each of these questions contains two statements. Statement-1 (Assertion) and Statement-2 (Reason). Each of these questions also has four alternative choices,only one of which is the correct answer. You have to select the correct choice:
Statement-1 : The point (3, 1, 6) is the mirror image of the point (1, 3, 4) in the plane
Statement-2 : The plane bisects the line segment joining (3, 1, 6) and (1, 3, 4).
Statement -1 is true, statement -2 is true ; statement -2 is a correct explanation of statement-1.
Statement -1 is true, statement -2 is true ; statement -2 is not a correct explanation of statement-1.
Statement -1 is true, statement -2 is false.
Statement -1 is false, statement -2 is true.
As we learnt in
Image of a point -
Let be the image of point in the plane
will be given by the formula
-
Statement 1 is true as well.
But it is not necessary that if a plane bisects line joining A and B, that B is the image of A.
Option 1)
Statement -1 is true, statement -2 is true ; statement -2 is a correct explanation of statement-1.
Incorrect option
Option 2)
Statement -1 is true, statement -2 is true ; statement -2 is not a correct explanation of statement-1.
Correct option
Option 3)
Statement -1 is true, statement -2 is false.
Incorrect option
Option 4)
Statement -1 is false, statement -2 is true.
Incorrect option
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