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Worksheets8th Light
Total questions: 15
Worksheet time: 8mins
states that when a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence
law of universal gravitation
law of the conservation of energy
law of reflection
Newton's second law of motion
Reflection of light waves from a smooth surface is ____.
diffuse reflection
irregular reflection
mirror reflection
regular reflection
Which travels faster?
sound
light
water
The part of the eye which is donted and grafted in the eye of visually challenged person is
Eye ball
Cornea
Retina
Crystalline lens
The part of the human eye, which is the transperent tissue.
Sclera
Optic nerve
Cornea
The part of the eye which carries the message to the brain
Optic nerve
Pupil
Retina
The part of the eye which can adjust itself to nearer objects and far off things is
Cornea
Crystalline lens
Retina
The person having shortsight cannot see the nearer object
True
False
To correct presbyopia, we use
Concave lens
Convex lens
bifocal lens
Poor vision is due to the dificiency of
Vitamin A
Vitamin B
Vitamin K
Powerful light is good for eyes
True
False
Braille language was developed by
Helen keller
Louis braille
None of the above
