How We See Things
Now days electrical lighting is commonly used as light sources like
light bulbs
florescent bulbs
energy saver
all of them
all of them
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People cast shadow on ground as they walk because they blockA. view
B. light
C. scene
D. way
Polished metals are
A. smooth
B. shiny
C. reflect light well
D. all of them
Wood is a
A. transparent materials
B. translucent material
C. opaque materials
D. abstract materials
If a light falls on a mirror it will
A. pass through
B. reflect
C. refract
D. intersect
The position of light source can interrupt the shadow’s
A. length
B. position
C. both a and b
D. darkness
Spotting light on stage, laser beam and sunlight through woods are proof for travel of light in
A. curves
B. straight line
C. L shape
D. S shape
Rough surfaces can reflect
A. light
B. heat
C. force
D. energy
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