Find the region on Y-axis in which reflected rays are present. Object ia at `A(2,0)` and MN is a plane mirror, as shown in Figure.

A light ray is incident on a plane mirror, which after getting reflected strikers another plane mirror, as shwon in figure. The angle between the two mirrors is 60^(@) . Find the angle 'theta' shown in figure.

A light ray is incident on a plane mirror, which after getting reflected strikers another plane mirror, as shwon in figure. The angle between the two mirrors is 60^(@) . Find the angle 'theta' shown in figure.

Sun rays are reflected from a horizontal mirror and fall on a vertical screen. A vertical object of height h is placed on the mirror as shown in the figure.Length of the shadow on the screen is