Question

G. CHOOSE THE ODD ONE OUT GIVING REASON 1. Glass, water, wood. 2. Dentist mirror, microscope, floodlights. 3. Diffused reflection, regular reflection, formation of image. 4. Kaleidoscope, periscope, mirror. 5. Convex lens, concave lens, plane mirror.​

Answer 1

1. Water. Its in liqid state.

2. Microscope. Others are Concave mirrors.

3. Formation of image. Others are cases of reflection of light whereas it is the case of meeting of light rays (actually or vertically).

4. Mirror. Others are complex (group of) types of mirrors.

5. Plane Mirror. Others are curved mirrors (special types of mirrors).

HOPE IT HELPS.