Light
Property of light
Rectilinear propagation of light
The image formed by plane mirror is
Virtual and erect
The image formed by concave mirror is
Real and invert
The image formed by concave mirror is
Real and inverted
The mirror used by doctor to examine nose, ears, eye and throat
Concave mirror
Image formed is same as that of object in which mirror?
Plàne mirror
Which lens is thicker in the middle?
Convex lens
Light pass through lens as they are
Transparent
Convex lens are otherwise càlled as
Converging lens
Rainbow has
Seven colours
Objects that do not give off light but may reflect it.
non-luminous
True or fàlse
Lens are widely used in telescope, spectacles, microscopes.
True
Reàl image cannot be obtained on the screen.
False
Inner surface of steel spoon act as
Concave mirror
Outer surface of steel spoon act as
Convex mirror
A directed straight line that represents the path followed by the light.
Ray
The ray of light that falls on surface of plane mirror is
Incident ray
A spherical mirror is a part of
Sphere
The ray of light that is reflected off the surface of mirror
Reflected ray
Characters of real image
Taken on the screen
Always inverted.
non-luminous object examples
Table, chair, human body
Refraction
Bending of light when light rays travel from one medium to another medium
Shadow
Dark patch formed when light ray is obstructed by opaque object