The field of view is maximum for ________ 

(a)

plane mirror

(b)

concave mirror

(c)

convex mirror

A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is

(a)

0^o

(b)

45^o

(c)

90^o

(d)

120^o

_________ is used as reflectors in torchlight.

(a)

concave mirror

(b)

convex mirror

(c)

plane mirror

(d)

None of these

The focal length of a concave mirror is 5cm. Its radius of curvature is

(a)

5 cm

(b)

10 cm

(c)

2.5 cm

When a beam of white light passes through a prism it gets

(a)

Reflected

(b)

deviated and dispersed

(c)

only deviated

(d)

refracted

Mirrors having spherical surface of reflection are __________________

(a)

plane mirror

(b)

lenses

(c)

spherical mirrors

(d)

prism

A spherical mirror which has reflecting curved inward surface is ____________________mirror

(a)

concave

(b)

convex

(c)

plano concave

(d)

plano convex

The mirror that diverge the light rays is______________________

(a)

concave

(b)

convex

(c)

plane

(d)

None of these

The centre of the sphere of which a spherical mirror is a part is called ______________________

(a)

pole

(b)

radius of curvature

(c)

focus

(d)

centre of curvature

The centre of the reflecting surface of a spherical mirror is _____________________

(a)

centre of curvafure

(b)

focus

(c)

pole

(d)

radius of curvature

In going from a rarer to denser medium, the ray of light bends _________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

  towards the normal

The ratio of sine of the angle of incidence to the sine of  _________ is a constant

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

  Infraction

The mirror used in search light is ________ .

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

concave mirror

Light travels in the form of _____________________________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

electromagnetic waves

The branch of optics that treats light as rays is named ray optics or_________________________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

geometrical optics

The angle of deviation depends on the refractive index of the glass

(a) True

(b) False

If a ray of light passes obliquely from one medium to another, it does not suffer any deviation.

(a) True

(b) False

If the object is at infinity in front of a convex mirror the image is formed at infinity.

(a) True

(b) False

Mirror equation is \(\frac { 1 }{ f } =\frac { 1 }{ u } -\frac { 1 }{ v } \)

(a) True

(b) False

In sign convention for spherical mirrors the object is always placed on the right side of the mirror.

(a) True

(b) False