Q501
Open questionA mirage occurs because of
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Q502
Open questionOptical fibres are based on the phenomenon of
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Q503
Open questionThe angle between the ________ and the incident ray is called the angle of incidence.
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Q504
Open questionA periscope works by the principle of
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Q505
Open questionA periscope works on the principle of
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Q506
Open questionTotal internal reflection can not take place when light goes from :
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Q507
Open questionA rear-view mirror for driving is
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Q508
Open questionThe reflector of a search light is a :
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Q509
Open questionOptical Fibre technology works on which of these principles of Physics?
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Q510
Open questionWhat is the reason for formation of Mirage in desert?
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Q511
Open questionThe type of mirror used in automobiles to see the traffic on the rear side is
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Q512
Open questionIf you look into a mirror and find that the image (your reflection) is smaller than you, then the type of the mirror is:
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Q513
Open questionWhich one of the following reflects back more sunlight as compared to other three?
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Q514
Open questionAfter reflection from a plane mirror the word will look like.
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Q515
Open questionConvex mirror is generally used in ________
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Q516
Open questionIn total internal reflection, the light travel from
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Q517
Open questionConvex mirrors are used as a rear view mirror in motor cycles because
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Q518
Open questionA convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be :
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Q519
Open questionThe phenomenon which causes mirage is
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Q520
Open questionRear view mirror of car is convex or concave?
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