A transparent plastic bag filled with ai...

A transparent plastic bag filled with air form a concave lens. Now, if this bag is completel immersed in water, then it behaves as ......

divergent lens

convergent lens

equilateral prism

rectangular slab

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convergent lens

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A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L_(1) or L_(2) having refractive indices n_(1) and n_(2) , respectively (n_(2) gt n_(1) gt 1) . The lens will diverge parallel beam of light if it is filles with

A concave mirror is placed on a horizontal table, with its axis directed vertically upwards. Let O be the pole of the mirror and C its centre of curvature. A point object is placed at C. It has a real image, also located at C. If the mirror is now filled with water, the image will be.

A thin equiconvex lens of glass of refractive index mu=3//2 & of focal length 0.3m in air is sealed into an opening at one end of a tank filled with water (mu=4//3) .On the opposite side of the lens ,a mirror is placed inside the tank on the tank wall perpendicular to the lens axis ,as shown in figure .the separation between the lens and the mirror is 0.8m A small object is placed outside the tank in front of the lens at a distance of 0.9 m form the lens along its axis .Find the position (relative to the lens)of the image of the object fromed by the stsyem.

A container is filled with water (mu=1.33) upto a height of 33.25 cm . A concave mirror is placed 15cm above the water level and the image of an object placed at the bottom is formed 25 cm below the water level. Focal length of the mirror is

KUMAR PRAKASHAN-RAY OPTICS AND OPTICAL INSTRUMENTS-SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs ASKED IN COMPETITIVE EXAMS)

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Light waves travel from optically rarer medium to optically denser med...
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If the size of the particle scattering the light is smaller than the w...
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