Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- Which of the following are true? (A) Speed of light in vacuum is dependent on the direction of propagation. (B) Speed of light in...
- A thin prism P_1 with an angle 6° and made of glass of refractive index 1.54 is combined with another prism P_2 made from glass...
- A person has been using spectacles of power –1.0 dioptre for distant vision and a separate reading glass of power 2.0 dioptres....
- A microscope is focused on an object at the bottom of a bucket. If liquid with refractive index 5 3 is poured inside the bucket,...
- A ray of light traveling in water is incident on its surface open to air. The angle of incidence is θ, which is less than the...
- STATEMENT-1 : The formula connecting u, v and f for a spherical mirror is valid only for mirrors whose sizes are very small...
- If two mirrors are kept at 60^ to each other, then the number of images formed by them is
- Which of the following is used in optical fibres ?
- The image formed by an objective of a compound microscope is
- To get three images of a single object, one should have two plane mirrors at an angle of
- A plane convex lens of refractive index 1.5 and radius of curvature 30 cm is silvered at the curved surface. Now this lens has...
- A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is...
- A thin glass (refractive index 1.5) lens has optical power of -5D in air. Its optical power in a liquid medium with refractive...
- The refractive index of glass is 1.520 for red light and 1.525 for blue light. Let D_1 and D_2 be an of minimum deviation for red...
- Two lenses of power −15 D and +5 D are in contact with each other. The focal length of the combination is
- In an optics experiment, with the position of the object fixed, a student varies the position of a convex lens and for each...
- Let the x − z plane be the boundary between two transparent media. Medium 1 in z ≥ 0 has a refractive index of 2 and medium 2...
- A car is fitted with a convex side-view mirror of focal length 20 cm. A second car 2.8 m behind the first car is overtaking the...
- A particle executes linear S. H. M. along the principal axis of a convex lens of focal length 8 cm. The mean position of...
- Light falls on a plane reflection surface. For what angle of incidence is the reflected ray normal to the incident ray?
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