Worksheets8class Reflection of light at plane surfaces
Total questions: 20
Worksheet time: 20mins
The principle which states that the light takes the path which takes least time to travel is given by
Newton
ampere
pierre de fermat
pascal
The ray which is incident on a surface is called_________
ray
incidece ray
reflected ray
deviated ray
The right appear to be left due to a plane mirror. This is called _____
inversion of image
currection
blurring
lateral inversion
If the hole of pin hole is increased, the image becomes________
clear
Enlarged
diminished
blurred
For a plane surface, if angle of incidence is 30°, then the angle of reflection is ______
0°
60°
90°
30°
The image formed by a plane mirror is _____and______
vitual, erect
real, erect
vitual, inverted
real, inverted
The image in the mirror suffers _________
inversion
lateral inversion
smaller
blurring
Light selects the least time path to travel between to points.This principle was started__ _________
galileo
pierre de fermat
newton
huygen
If any object is placed 10cm from the the plane mirror, then the distance between object and its image is
10cm
20cm
30cm
40cm
Among sun, moon, candle and torch bulb, this is not a luminous object?
sun
candle
moon
Tube light
If any object is placed 5 cm from the the plane mirror, then the distance between image and mirror is
10cm
5cm
30cm
40cm
The perpendicular line drawn to the plane of mirror at the point of incidence is known as _________
radius of curveture
incidence
normal
reflected ray
