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Which major river in North India is navigable and used for water transport?

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Important Questions on Ray Optics and Optical Instruments

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Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

Draw the circuit diagram of a full wave rectifier and explain its working. Also, give the input and output wave forms.

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

The angle of incidence for a ray of light at a refracting surface of a prism is

45^{o}

. The angle of prism is

60^{o}

. If the ray suffers minimum deviation through the prism, the angle of minimum deviation and refractive index of the material of the prism respectively, are:

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

Distinguish between half-wave and full-wave rectifiers.

HARD

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

A student wants to use two p-n junction diodes to convert alternating current into direct current. Draw the labelled circuit diagram she would use and explain how it works.

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

The graph between angle of deviation

(δ)

and angle of incidence

(i)

for a triangular prism is represented by :

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

Draw a sectional view of a human ovary and label primary follicle, tertiary follicle, Graafian follicle and corpus luteum in it.

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

What is rectification? Explain the working of a full wave rectifier.

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

If in a p-n junction, a square input signal of

10 V

is applied as shown, then the output across

R_{L}

will be

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

A prism has a refracting angle of

60^{o} .

When placed in the position of minimum deviation, it produces a deviation of

30^{o} .

The angle of incidence is

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

What is sexually transmitted disease? What principles should be followed to free from these infections?

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

A ray of light on passing through an equilateral glass prism, suffers a minimum deviation equal to the angle of the prism. The value of refractive index of the material of the prism is _____.

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

For a glass prism, the angle of minimum deviation will be smallest for the light of

HARD

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

An equilateral glass prism has a refractive index

1.6

in the air. Calculate the angle of minimum deviation of the prism, when kept in a medium of refractive index

\frac{4 \sqrt{2}}{5}

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the angle of emergence and each of these angles is equal to

{\frac{3}{4}}^{th}

of the angle of the prism. The angle of deviation is

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

The equation for angle of deviation produced by a prism where

A

is the angles of the prism and

n

is the refractive index is given by-

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

If the angle of a glass prism is

60^{\circ}

and refractive index of the material of the prism is

1.414

, then what should be the angle of incidence, so that ray should pass symmetrically through the prism?

HARD

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

Draw a ray diagram to show two refractions of light through a glass prism. Explain with help of a diagram the dependence of angle of deviation on the angle of incidence. Hence obtain the relation for the angle of minimum deviation in terms of angle of prism and refractive index of prism.

HARD

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

For a prism of refractive index 1.732, the angle of minimum deviation is equal to the angle of prism. Then the angle of the prism is

MEDIUM

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

A prism deviates a monochromatic ray of light through an angle $δ$ when the angle of incidence at the surface of the prism is $' i'$ .
(i) Draw a graph showing the variation of $δ$ with $i$ . On your graph, show the angle of minimum deviation?

(ii) A prism deviates a monochromatic ray of light through an angle $δ$ when the angle of incidence at the surface of the prism is $' i'$ .
What is the relation between the angle of incidence and the angle of emergence when the ray suffers minimum deviation?

EASY

Physics>Optics>Ray Optics and Optical Instruments>Refraction Through a Prism

The focal length of a converging lens are $f_{v}$ and $f_{r}$ for violet and red light respectively.

Which major river in North India is navigable and used for water transport?

Important Questions on Ray Optics and Optical Instruments

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