If the radius of curvature of convex mir...

If the radius of curvature of convex mirror is 40 cm and size of object is twice as that of the image,then the object distance is

20 cm

30 cm

40cm

60 cm

Text Solution

Verified by Experts

Topper's Solved these Questions

REFLECTION AND REFRACTION
MODERN PUBLICATION|Exercise EXAMPLE|138 Videos
MAGNETIC EFFECTS OF ELECTRIC CURRENT
MODERN PUBLICATION|Exercise EXERCISE|265 Videos
SOURCES OF ENERGY
MODERN PUBLICATION|Exercise EXAMPLE|92 Videos

Similar Questions

Explore conceptually related problems

The radius of curvature of a convex mirror is 40 cm what is its focal length?

The focal length of a convex lens is 30 cm and the size of image is quarter of the object.Them,the object distance is

A double convex lens made of glass of refactive index 1.56 has both radii of curvature of magnitude 20 cm.If an object is placed at a distance of 10 cm from this lens,find the positiojn of the image formed.

An object is placed in front of a convex mirror of focal length 30 cm.If the image formed is a quarter of the size of the object,find the position of the image.

A spherical convex surface of radius of curvature 20 cm, made of glass (mu=1.5) is placed in air. Find the positon of the image formed, if a point object is placed at 30 cm in front of the convex surface on the principal axis.

An object is placed in front of convex mirror 20 cm radius of curvature.Its image is forced 8 cm behind the mirror.Find the distance of the object from the miror.

An object 5.0 cm of length is placed at a distance of 20 cm in front of a convex mirror of radius of curvature 30 cm. Find the position of the image,its nature and size.

An objects is placed at a distance equal to focal length of convex mirror.If the focal length of the irror be f,then the distance of the image from the pole of the mirror is:

MODERN PUBLICATION-REFLECTION AND REFRACTION-EXAMPLE

If the radius of curvature of convex mirror is 40 cm and size of obje...
Text Solution
|
A concave mirror of focal length 20 cm forms a real image at a distanc...
Text Solution
|
A convex mirror used on an automobile has a radius of curvature of 3 m...
Text Solution
|
An object 1 cm high is place on the axis and 15 cm from a concave mirr...
Text Solution
|
The image formed by a concave mirror is half in size of the object. If...
Text Solution
|
An object 5 cm high is placed at a distance of 10 cvm from a convex mi...
Text Solution
|
When an object is placed at a distance of 60 cm from a convex spherica...
Text Solution
|
Find the position of an object which when placed in front of a concave...
Text Solution
|
An object is placed 10 cm from a concave mirror of radius of curvature...
Text Solution
|
An object is placed 15 cm from a convex mirror of radius of curvature ...
Text Solution
|
A 4.5 cm needle is placed 12 cm away from a convex mirror of focal len...
Text Solution
|
What is the speed of light?
Text Solution
|
If refractive index of glass w.r.t. air is 1.55, then what is the refr...
Text Solution
|
The refractive index of water is 4/3 and flint glass is 1.65. What is ...
Text Solution
|
A ray of light passes from to air to glass at an angle of incidence of...
Text Solution
|
Monochromatic light of wavelength 589 nm is incident from air on a wat...
Text Solution
|
The refractive index of diamond is 2.42 and that of glass is 1.5. find...
Text Solution
|
A ray of light of frequency of 5 xx 10^(14)Hz is passed through a liqu...
Text Solution
|
Velocity of light in a medium is 1.5xx10^8 ms^-1. Find the refractive ...
Text Solution
|
The refractive index of diamond is:
Text Solution
|
A ray of light passes from air to glass. The glass of incidence is 45^...
Text Solution
|