Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror] Column 1 Column 2 (A) m = - 2 (a) Convex mirror (B) m = - 1 2 (b) Concave mirror (C) m = + 2 (c) Real image (D) m = + 1 2 (d) Virtual image

A → b and c; B → b and c; C → b and d; D → a and d

A → a and c; B → a and d; C → a and b; D → c and d

A → a and d; B → b and c; C → b and d; D → b and c

A → c and d; B → b and d; C → b and c; D → a and d

EASY

Earn 100

What do you mean by spherical mirror formula?

Important Questions on Reflection of Light

HARD

Physics>Optics>Reflection of Light>Mirror Equation

A candle placed

25 cm

from a lens forms an image on the screen placed

75 cm

on the other side of the lens. The focal length and type of the lens should be

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

Match the corresponding entries of column 1 with column 2. [Where m is the magnification produced by the mirror]

	Column 1		Column 2
(A)	$m = - 2$	(a)	Convex mirror
(B)	$m = - \frac{1}{2}$	(b)	Concave mirror
(C)	$m = + 2$	(c)	Real image
(D)	$m = + \frac{1}{2}$	(d)	Virtual image

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

A point object is moving uniformly towards the pole of a concave mirror of focal length $25 cm$ along its axis as shown below. The speed of the object is $1 {ms}^{- 1}$ . At $t = 0$ , the distance of the object from the mirror is $50 cm$ . The average velocity of the image formed by the mirror between time $t = 0$ and $t = 0.25 s$ is:

Question Image

EASY

Physics>Optics>Reflection of Light>Mirror Equation

An object of height

2.5 cm

is placed perpendicularly on the principal axis of a concave mirror of focal length

f

at a distance of

\frac{3}{4} f

What will be the nature of the image of the object and its height

EASY

Physics>Optics>Reflection of Light>Mirror Equation

An object is placed at a distance of

20 cm

from the pole of a concave mirror of focal length

10 cm

. The distance of the image formed is

EASY

Physics>Optics>Reflection of Light>Mirror Equation

A concave mirror of focal length

15 cm

, forms an image having twice the linear dimensions of the object. The position of the object, when the image is virtual, will be

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

To find the focal length of a convex mirror, a student records the following data:

Object pin	Convex Lens	Convex Mirror	Image Pin
22.2 cm	32.2 cm	45.8 cm	71.2 cm

The focal length of the convex lens is

f_{1}

and that of mirror is

f_{2}

. Then taking index correction to be negligibly small,

f_{1}

and

f_{2}

are close to:

EASY

Physics>Optics>Reflection of Light>Mirror Equation

From a spherical mirror, the graph of

1 / v v e r s u s 1 / u

EASY

Physics>Optics>Reflection of Light>Mirror Equation

An object is placed in front of a convex mirror at a distance of 50 cm. A plane mirror is introduced covering the lower half of the convex mirror. If the distance between the object and the plane mirror is 30 cm, it is found that there is no gap between the images formed by the two mirrors. The radius of the convex mirror is:

HARD

Physics>Optics>Reflection of Light>Mirror Equation

2.0 c m

tall object is placed

15 c m

in front of a concave mirror of focal length

10 c m .

What is the size and nature of the image?

HARD

Physics>Optics>Reflection of Light>Mirror Equation

The position of final image formed by the given lens combination from the third lens will be at a distance of

[f_{1} = + 10 c m, f_{2} = - 10 c m, f_{3} = + 30 c m]

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

An object 5 cm tall is placed 1 m from a concave spherical mirror which has a radius of curvature of 20 cm. The size of the image is

EASY

Physics>Optics>Reflection of Light>Mirror Equation

In an optics experiments, with the position of the object fixed, a student varies the position of a convex lens and for each position, the screen is adjusted to get a clear image of the object. A graph between the object distance

u

and the image distance

v,

from the lens, is plotted using the same scale for the two axes. A straight line passing through the origin and making an angle of

45 °

with the

x

-axis meets the experimental curve at

P .

The coordinates of

P

will be

EASY

Physics>Optics>Reflection of Light>Mirror Equation

A point of object is placed at the centre of a glass sphere of radius 6 cm and refractive index 1.5. The distance of the virtual image from the surface of the sphere is

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

A student performed the experiment of determination of the focal length of a concave mirror by

u - v

method using an optical bench of length

1.5 m

. The focal length of the mirror used is

24 cm

. The maximum error in the location of the image can be

0.2 cm

. The

5

sets of

(u, v)

values recorded by the student (in

cm

) are :

(45, 56), (48, 48), (60, 40), (66, 33), (78, 39)

. The data set (s) that cannot come from experiment and is (are) incorrectly recorded, is are

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

A square wire of side 1 cm is placed perpendicular to the principle axis of a concave mirror of focal length 15 cm at a distance of 20 cm. The area enclosed by the image of the wire is

MEDIUM

Physics>Optics>Reflection of Light>Mirror Equation

An object of length 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm. The nature and size of the image are

EASY

Physics>Optics>Reflection of Light>Mirror Equation

A short linear object of a length

b

lies along the axis of a concave mirror of focal length

f

at a distance

u

from the pole of the mirror. The size of the image is equal to

EASY

Physics>Optics>Reflection of Light>Mirror Equation

An object is placed in front of a convex mirror of focal length

f .

Find the maximum and minimum distance of two object from the mirror such that the image is real and magnified.

EASY

Physics>Optics>Reflection of Light>Mirror Equation

A car is fitted with a convex mirror of focal length 20 cm. A second car 2 m broad and 1.6 m height is 6 m away from the first car. The position of the second car as seen in the mirror or the first car is

What do you mean by spherical mirror formula?

Important Questions on Reflection of Light

Learn and Prepare for any exam you want !