WorksheetsGeometrical Optics
Total questions: 22
Worksheet time: 50mins
When a ray of light enters a glass slab from air
its wavelength decreases
its wavelength increases
its frequency increases
neither its wavelength nor its frequency changes.
The distance from center of mirror, C to the pole of mirror is given as
2f
v
u
2R
To determine the characteristics of image formed we need to a draw ray diagram that uses
at least 2 rays that overlap each other
at least 3 rays out of 4 rays
plane mirror or lens
rays that passes through biconcave or biconvex mirror
An image that is formed at the back of the mirror is said to be
real image
virtual image
inverted image
magnified image
If R1 and R2 are the radii of curvature of a plano convex lens,
R1 is positive and R2 is negative.
Both R1 and R2 are negative.
R1 is positive and R2 is infinity.
R1 is negative and R2 is infinity.
State the characteristic of image foremd
real, inverted and diminished
virtual, upright and diminished
virtual, upright and magnified
real, upright and diminished
which type of lens
concave
convex
opaque
plano
what type of mirror is this
concave
convex
translucent
plano
a convex lens does what to rays
diverges
converges
implodes
merges
a convex mirror does what to rays
diverges
converges
implodes
merges
When light travels from a higher index (water) to a lower index (air), light will bend...
toward the normal
away from the normal
Total internal reflection only occurs when light tries to travels from a medium with a _____ index to ____ index
lower to higher
higher to lower
same to same
