To find the trace of light in a glass slab using pins, minimum number of pins required are

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Solution

The correct option is B 4
To trace a light ray using pins, two pins can trace only one light ray. Two pins are required for incident ray and two for refracted ray. Light ray inside the slab can be traced to extending the light rays and drawing the boundaries of slab.

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Similar questions

Q. Four students A, B, C and D selected the following items from the materials available in the science laboratory to perform an experiment to study the refraction of light through a glass slab:
(A) convex lens, glass slab, pins, drawing board, white paper, scale
(B) glass slab, pins, drawing board, scale, white paper, protractor
(C) glass slab, glass prism, candle, screen, pins, scale, drawing board, protractor
(D) concave mirror, pins, glass slab, protractor, white paper, drawing board

Correct choice of the items required is made by the student:
(1) A
(2) B
(3) C
(4) D

Q. While performing the experiment on tracing the path of a ray of light through a rectangular glass slab, in which of the following experimental setups, students likely to get the best results?

P_{1}

and

P_{2}

are the positions of pins fixed by him :

Q. What is the minimum number of operations required, for a microprocessor with

8

data pins, to read a

32

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Q. Study the following four experimental set-ups I, II, III and IV for the experiment, "To trace the path of a ray of light through a rectangular glass slab."
Which of the marked set-ups is likely to give best results (P1 and P2 are the positions of pins fixed on the incident ray) ?

Study the following four experimental set-ups I, II, III and IV for the experiment, "To trace the path of a ray of light through a rectangular glass slab."

Which of the marked set-ups is likely to give best results ( $P_{1}$ and $P_{2}$ are the positions of pins fixed on the incident ray)?

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To find the trace of light in a glass slab using pins, minimum number of pins required are

The correct option is B 4To trace a light ray using pins, two pins can trace only one light ray. Two pins are required for incident ray and two for refracted ray. Light ray inside the slab can be traced to extending the light rays and drawing the boundaries of slab.

The correct option is B 4
To trace a light ray using pins, two pins can trace only one light ray. Two pins are required for incident ray and two for refracted ray. Light ray inside the slab can be traced to extending the light rays and drawing the boundaries of slab.