Question

A person standing at the centre of a rectangular room is looking into a 1 m long mirror at the opposite end of the room. How much of the painted wall can he see through the 1 m long mirror? A. 1 m בן 1 Mirror B. 2 m 4 Person 12 in C. 3 m Painted wall D. 4 in​

Answer 1

Explanation:

If you have an object of length H and placed in front of mirror then minimum length of mirror required is 2H.

In this case mirror length is 1m then object length should 2m.