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Light MCQ question and answer with solution | Physics Gk MCQs

Learn Light MCQ Questions and answers with easy and logical explanations in Physics Gk . Light MCQ question provides all type of technical mcq questions which is important for SSC-CGL, UPPSC, NDA, CDS and all govt examinations Page-9 section-2

Each section contains 100 MCQs on Light .
81
In optics, the refractive index of a substance is described by the formula $$n = \frac{c}{v}$$ , where c is
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Answer: Option D
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82
In which direction the rainbow is seen at 12 noon?
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Answer: Option D
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83
Which of the following statements is true when we see rainbow?
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Answer: Option B
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84
A person holding a pen in his left hand sees his reflection in the mirror holding the pen in his right hand. This is due to which of the following phenomena?
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Answer: Option C
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85
If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?
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Answer: Option A
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86
At what medium does light travel maximum speed?
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Answer: Option A
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87
Find the distance of an object from a concave mirror whose focal length is 10 cm so that the distance of image from mirror is four times the distance of the object will be-
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Answer: Option D
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88
A soap bubble shows colours when illuminated with white light. This is due to . . . . . . . .
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Answer: Option C
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89
Speed of light . . . . . . . . is.
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Answer: Option C
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90
The mirror always produces an image of the object that is virtual, large and of equal size.
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Answer: Option C
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