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150 questions
1
Optics
Moderate
+1.0
-0.25
Which of the following radiations has the highest energy per quantum?
2
Optics
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The visible range of solar radiation is–
3
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The wave length extension of visible light is -
4
Optics
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The wavelength of visible spectrum is in the range :
5
Optics
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-0.25
Human eye is most sensitive to visible light of the wavelength :
6
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Among the colours mentioned below, the eye is most sensitive to colours between :
7
Optics
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Which of the following statement is not correct?
8
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The nature of radiation of light is-
9
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Light appears to travel in a straight line because—
10
Optics
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Which of the following statement is true?