Ray Optics and Optical Instruments questions
782 published questions with worked solutions.
- In an experiment with a convex lens, the plot of the image distance (v') against the object distance (u') measured from the focus...
- In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the...
- The X-Y plane be taken as the boundary between two transparent media M_ 1 and M_ 2 . M_ 1 in Z 0 has a refractive index of 2 and...
- The speed of light in media 'A' and 'B' are 2.0 10^ 10 cm/s and 1.5 10^ 10 cm/s respectively. A ray of light enters from the...
- A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30 cm and refractive index 1.5. The...
- A monochromatic light wave with wavelength _1 and frequency _1 in air enters another medium. If the angle of incidence and angle...
- In a reflecting telescope, a secondary mirror is used to:
- An object is placed at a distance of 12 cm in front of a plane mirror. The virtual and erect image is formed by the mirror. Now...
- When one light ray is reflected from a plane mirror with 30º angle of reflection, the angle of deviation of the ray after...
- The critical angle for a denser-rarer interface is 45°. The speed of light in rarer medium is 3 10^8m/s. The speed of light in...
- The radius of curvature of each surface of a convex lens having refractive index 1.8 is 20 cm. The lens is now immersed in a...
- An ice cube has a bubble inside. When viewed from one side the apparent distance of the bubble is 12 cm. When viewed from the...
- Two convex lenses of focal length 20 cm each are placed coaxially with a separation of 60 cm between them. The image of the...
- A bi convex lens of focal length 10 cm is cut in two identical parts along a plane perpendicular to the principal axis. The power...
- A vessel of depth 'd' is half filled with oil of refractive index n_1 and the other half is filled with water of refractive index...
- The refractive index of a transparent liquid filled in an equilateral hollow prism is 2. The angle of minimum deviation for the...
- When a beam of white light is allowed to pass through convex lens parallel to principal axis, the different colours of light...
- A convex lens of refractive index 1.5 and focal length 18 cm in air is immersed in water. The change in focal length of the lens...
- The light rays from an object have been reflected towards an observer from a standard flat mirror, the image observed by the...
- A ray of light is incident from air on a glass plate having thickness 3cm and refractive index 2. The angle of incidence of a ray...
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