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Total questions: 15
Worksheet time: 11mins
the angle *between* the normal ray and incident ray is called the ___________
angle of incidence
angle of reflection
regular reflection
dispersion
which one of these are a part of laws of reflection
angle of incidence is not always equal to the angle of reflection
angle of incidence is always equal to the angle of reflection
the incident ray,the normal at the point of incidence and the reflected ray all the in the same point
the incident ray,the normal at the point of incidence and the reflected ray all the in the different point
an image formed by a mirror the left to the object appears on the right and right appears to be on left . this is known as ________________________________
angle of incidence
normal
regular reflection
lateral inversion
which of these is NOT a part of eye
cornea
iris
pupil
braille
lens
the lens focuses light on the back of the eye,on layer called
blind spot
retina
pupil
iris
none of the above
the (a) I the part of the eye which gives color to the distinctive color (write in small letters)
(a) is the code for common languages (write in small, write one word answer)
__________ controls the amount of light entering into an eye
cornea
pupil
cones
iris
___________ sense color
cornea
pupil
cones
iris
splitting of light into its colors is known as
sunlight
prism
dispersion
none of the above
___________ reflection takes place when light is incident on smooth, polished and regular surface
regular reflection
irregular reflection
choose the cause which will be occurred in the situation
'' too little or too much light is bad for eyes. Insufficient light causes _____ and ________.''
backpain
eyestrain
neckpain
headaches
(a) is a natural phenomenon showing dispersion
(hint: _ _ _ _ _ _ w) (write in small)
can reflected rays be further reflected if incident on another mirrors
(45sec to think)
yes
no
which one of these is not the way to take care for our eyes
(have 1 min to think.....)
if advised use suitable sun glasses in the case of visually impaired person
do not look at the sun or a powerful light directly
never rub your eyes, wash your eyes with clean water
always read at the normal distance for vision
