The human eye can focus objects at different distances by changing the focal length of the lens. This is called?
Anonymous Quiz
73%
Accommodation
18%
Persistence of vision
7%
Dispersion
3%
Scattering
❤1👍1
The defect of vision in which a person cannot see distant objects clearly is?
Anonymous Quiz
37%
Hypermetropia
56%
Myopia
4%
Presbyopia
2%
Astigmatism
❤4👍2
The splitting of white light into its component colors is called?
Anonymous Quiz
8%
Reflection
13%
Refraction
63%
Dispersion
16%
Scattering
❤3🕊1
The sky appears blue due to?
Anonymous Quiz
23%
Dispersion
54%
Scattering
9%
Reflection
14%
Refraction
❤4👍2
The lens in the human eye is?
Anonymous Quiz
60%
Convex
28%
Concave
9%
Plano-convex
3%
Plano-concave
❤3
Hypermetropia is corrected by using?
Anonymous Quiz
35%
Concave lens
58%
Convex lens
4%
Cylindrical lens
4%
Bifocal lens
❤5
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Light Reflection and refraction .pdf
10.9 MB
Light Reflection and refraction Notes with important questions
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The phenomenon due to which we see the colors of a soap bubble is?
Anonymous Quiz
22%
Interference
41%
Dispersion
23%
Scattering
14%
Refraction
👍4❤1
The least distance of distinct vision for a normal eye is?
Anonymous Quiz
82%
25 cm
5%
50 cm
5%
10 cm
9%
Infinity
🕊4❤3🔥1
Presbyopia is corrected by using?
Anonymous Quiz
14%
Concave lens
13%
Convex lens
66%
Bifocal lens
7%
Cylindrical lens
The twinkling of stars is due to?
Anonymous Quiz
9%
Reflection
21%
Refraction
65%
Atmospheric refraction
5%
Dispersion
🥰5❤2
The part of the eye that controls the amount of light entering is?
Anonymous Quiz
59%
Iris
29%
Cornea
6%
Lens
6%
Retina
🥰3❤2
Myopia is also known as?
Anonymous Quiz
33%
Far-sightedness
60%
Near-sightedness
4%
Old age sight
2%
Color blindness
❤3🥰2
🕊4🏆2❤1
❤5
The danger signals are red because red light?
Anonymous Quiz
29%
Is scattered least
21%
Is scattered most
47%
Has highest wavelength
3%
Has lowest frequency
❤2🎉2
Astigmatism is corrected by?
Anonymous Quiz
13%
Convex lens
15%
Concave lens
57%
Cylindrical lens
16%
Bifocal lens
❤1