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WorksheetsLight
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
1. Light is a form of-
a)
wavelength
b)
energy
c)
frequency
d)
All of the above
2.
2. The wavelength range of visible light?
a)
400-850nm
b)
300-600nm
c)
400-700nm
d)
500-750nm
3.
3. The dual nature of light is-
a)
wave nature
b)
magnetic nature
c)
particle nature
d)
elastic nature
4.
4. Phenomena explained by the wave nature of light are-
a)
scattering
b)
interference
c)
absorption
d)
emission
5.
5. Phenomenon explained by the particle nature of light are-
a)
diffraction
b)
polarization
c)
scattering
d)
all of the above
6.
6. What are the uses of plane mirrors?
a)
solar cooker
b)
periscopes
c)
kaleidoscope
d)
all of the above
7.
7. Types of reflection are-
a)
specular reflection
b)
diffuse reflection
c)
retroreflection
d)
all of the above
8.
8. What is the application of retroreflections?
a)
bruckner's reflex
b)
menace reflex
c)
leukocoria
d)
none of the above
9.
9. Snell's law is related to-
a)
reflection
b)
refraction
c)
diffraction
d)
polarization
10.
10. Which objects can absorb all the visible light?
a)
white
b)
yellow
c)
black
d)
red
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