A plano convex lens of refractive index ...

A plano convex lens of refractive index 1.5 and radius of curvature 30cm. Is silvered at the curved surface. Now this lens has been used to form the image of an object. At what distance from this lens an object be placed in order to have a real image of size of the object.

20 cm

30 cm

60 cm

80 cm

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

PRACTICE SET 20
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise PAPER 1 (Physics & Chemistry)|50 Videos
PRACTICE SET 22
MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise Physics & chemistry|1 Videos

Similar Questions

Explore conceptually related problems

A plano-convex lens has refractive index 1.6 and radius of curvature 60 cm. What is the focal length of the lens?

A plano-convex lens is made of glass of refractive index 1.6. the radius of curvature of its curved surface is 30 cm. What is the focal length of the lens ?

A plano-convex lens is made of material having refractive index 1.5. The radius of curvature of curved surface is 60 cm. The focal length of the lens is ______ cm.

Focal length of an equiconvex lens is 20 cm. The refractive index of material of the lens is 1.5. Now one of the curved surface is silvered. At what distance from the lens an object is to be placed, so that image coincides with the object ?

An object is placed in front of a symmetrical convex lens with refractive index 1.2 and radius of curvature 40cm .the surface of the lens further away from the object is silvered.Under auto-collimation condition is ,the obejct distance is

A plano-covex lens is made of a material of refractive index n. When a small object is placed 30cm away in front of the curved surface of the lens, an image of double the size of the object is produced. Due to reflection from the convex surface of the lens, another faint image is observed at a distance of 10 cm away from the lens. Which of the following statement (s) is (are) true?

A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm . On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it ?

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-PRACTICE SET 21-PAPER 1 (PHYSICS & CHEMISTRY)

The distance of two points on the axis of a magnet from its centre is ...
Text Solution
|
Two masses m1 and m2 (m1gtm2) are connected by massless flexible and i...
Text Solution
|
When a ferromagnetic material is heated to temperature above its Curie...
Text Solution
|
A rectangular vessel when full of water takes 10 minutes to be emptied...
Text Solution
|
A layer of glycerine of thickness 1 mm is present between a large surf...
Text Solution
|
Two coils of self-inductance L(1) and L(2) are placed closed to each o...
Text Solution
|
A new flashlight cell of e.m.f. 1.5 volts given a current of 15 amps. ...
Text Solution
|
In a transformer, the number of turns in primary coil and secondary co...
Text Solution
|
Two coherent monochromatic light beams of intensities I and 4 I are su...
Text Solution
|
In the relation x = cos (omegat + kx), the dimension(s) of omega is/a...
Text Solution
|
For the stationary wave y=4sin((pix)/(15))cos(96pit), the distance bet...
Text Solution
|
When monochromatic light is replaced by white light in Fresnel's bipri...
Text Solution
|
Wavelength of a 1 ke V photon is 1.24 xx 10^(-9) m. What is the freque...
Text Solution
|
A physical quantity Q is found ot depend on observables x, y and z obe...
Text Solution
|
Why is refractivce index in a transparent medium greater than one ?
Text Solution
|
A disc is rotating with angular velocity omega. If a child sits on it,...
Text Solution
|
A voltmeter having resistance of 50 × 10^(3) ohm is used to measure th...
Text Solution
|
Ground state energy of H-atom is -13.6 eV. The energy needed to ionise...
Text Solution
|
A plano convex lens of refractive index 1.5 and radius of curvature 30...
Text Solution
|
The energy gap between conductionband and valence band is of the order...
Text Solution
|