540 questions across 1 question group — pick any mix to generate a Physics paper with step-by-step answer keys.
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
The angle of minimum deviation for a prism is 40° and the angle of the prism is 60°. The angle of incidence in this position will be
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(a) 30° |
(b) 60° |
(c) 50° |
(d) 100° |
We combined a convex lens of focal length f1 and concave lens of focal lengths f2 and their combined focal length was F. The combination of these lenses will behave like a concave lens, if
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(a) f1 > f2 |
(b) f1 < f2 |
(c) f1 = f2 |
(d) f1 ≤ f2 |
Light rays from a source are incident on a glass prism of index of refraction μ and angle of prism α. At near normal incidence, the angle of deviation of the emerging rays is
|
(a) (μ – 2)α |
(b) (μ – 1) α |
(c) (μ + 1) α |
(d) (μ + 2) α |
Monochromatic light is refracted from air into the glass of refractive index μ. The ratio of the wavelength of incident and refracted waves is
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(a) 1 : μ |
(b) 1 : |
(c) μ : 1 |
(d) 1 : 1 |
Which of the following could not produce a virtual image
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(a) Plane mirror |
|
(b) Convex mirror |
|
(c) Concave mirror |
|
(d) All the above can produce a virtual image |
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