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
21%
Interference
41%
Dispersion
23%
Scattering
14%
Refraction
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The least distance of distinct vision for a normal eye is?
Anonymous Quiz
82%
25 cm
5%
50 cm
5%
10 cm
9%
Infinity
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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
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The part of the eye that controls the amount of light entering is?
Anonymous Quiz
59%
Iris
29%
Cornea
6%
Lens
6%
Retina
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Myopia is also known as?
Anonymous Quiz
33%
Far-sightedness
60%
Near-sightedness
4%
Old age sight
2%
Color blindness
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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
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Astigmatism is corrected by?
Anonymous Quiz
13%
Convex lens
15%
Concave lens
57%
Cylindrical lens
16%
Bifocal lens
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The refractive index of the atmosphere decreases with?
Anonymous Quiz
24%
Height
32%
Temperature
15%
Pressure
29%
Density
Rainbow is formed due to?
Anonymous Quiz
22%
Reflection and refraction
62%
Dispersion and total internal reflection
15%
Scattering
1%
Interference
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The far point of a myopic eye is?
Anonymous Quiz
36%
Infinity
26%
Less than infinity
23%
Greater than 25 cm
15%
25 cm
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The optic nerve carries signals from the eye to the?
Anonymous Quiz
85%
Brain
5%
Heart
2%
Lungs
9%
Spinal cord
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Which of the following is a strong acid?
Anonymous Quiz
10%
Acetic acid
84%
Hydrochloric acid
4%
Citric acid
2%
Lactic acid
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