Home
Class 12
PHYSICS
A concave mirror of focal length 30 cm i...

A concave mirror of focal length 30 cm is placed on the flat horizontal surface with its concave side up. Water with refractive index 1.33 is poured into the lens. Where should an object be placed if its image is to be captured on a screen with a magnification of 2?

A

44.25 cm

B

40.60 cm

C

33.75 cm

D

38.50 cm

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 1 Section M - Chromatic Aberration and Achromatism, Optical Instrument + Eye + Luminous Intensity|6 Videos

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 2 (Level-I) Section A - Plane Mirror|9 Videos

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 1 Section K - Lens Maker formula and Magnification, Image formation by convex and concave lens, Combination of lens, Cutting of lens|8 Videos

  • FLUID

    MOTION|Exercise Exercise-4 level-II|5 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 4 Section - B Previous Years Problems|15 Videos

Similar Questions

Explore conceptually related problems

A concave mirror of radius R is kept on a horizontal table. Water (refractive index =mu.) is poured into it up to a height h. Where should an object be placed so that its image is formed on itself ?

A concave mirror of focal length f in vacuum is placed in a medium of refractive index 2. its focal length in the medium is

A glass slab of thickness 3cm and refractive index 1.5 is placed in front of a concave mirror of focal length 20cm. Where should a poing object be placed if it is to image on to itself?

A magnifying lens has a focal length of 10 cm. (a) Where should the object be placed if the image is to be 30 cm from the lens ? (b) What will be the magnification ?

A concave lens of focal length 20 cm placed in contact with ah plane mirror acts as a convex mirror of focal length

The focal length of a concave mirror is 50cm. Where an object be placed so that its image is two times and inverted

A convex lens of focal length 15 cm is placed on a plane mirror. An object is placed at 30 cm from the lens. The image is

A concave mirror of focal length 20 cm is placed at a distance of 50 cm from a wall. How far from the wall should an object be placed to form its real image on the wall ?

A concave mirror of focal length 10 cm is placed at a distance of 35 cm from a wall. How far from the wall should an object be placed to get its image on the wall ?

A concave mirror of focal length 10 cm is placed at a distance of 35 cm from a wall. How far from the wall should an object be placed to get its image on the wall ?