Quick Revision- Light- Reflection-Refraction

Light ray that strike the surface is called ________

• Incident ray

• Reflected Ray

• Refracted ray

• Normal

In reflection, angle of incidence is always ________ angle of reflection.

• greater than

• Lesser than

• equal to

• not equal to

Geometric center of surface of mirror is called _________

• center of curvature

• principal focus

• pole

• aperture

Distance between center of curvature and pole is called____________

• Radius

• focal length

• Aperture

• magnification

Point at which light ray strike the surface is called _________

• Pole

• Center of curvature

• Point of incidence

• Focus

Ray that bounces back after striking the surface is called ________________

• Incident ray

• Normal

• Reflected ray

• Refracted ray

Incident ray, reflected ray and normal at the point of incidence all lie on the same plane

• True

• False

Image formed by plane mirror is

• virtual, erect(upright) & bigger in size

• virtual, erect(upright) & same size as object

• virtual, inverted & same size as object

Image formed by a convex mirror is

• Virtual, erect, same size as object

• Virtual, erect, diminished in size

• Virtual, erect, enlarged in size

Virtual Image formed by a concave mirror is _______________

• erect, diminished in size

• erect, same size as object

• erect, magnified in size