Home
Class 12
PHYSICS
A transparent cube contains a small air ...

A transparent cube contains a small air bubble. Its apparent distance is 2 cm when seen through other facel. If the refractive index of the material of the cube is 1.5, the real length of the edge of cube must be

A

7 cm

B

7.5 cm

C

10.5cm

D

`14/3` cm

Text Solution

Verified by Experts

The correct Answer is:
C

`w=2mu+5mu=10.5cm`
Promotional Banner

Similar Questions

Explore conceptually related problems

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm . Then the refractive index of the material of the cube is

A bicovex lens has radii of cuvature 20 cm each. If the refractive index of the material of the lens is 1.5, what is its focal length?

A transparent cube of side 210 mm contains a small air bubble. Its apparent distance, when viewed from one face of the cube is 100 mm , and when viewed through opposite face is 40 mm . What is the actual distance of the bubble from the second face and what is the refractive index of the material of the cube ?

A rectangular box of dimension 15 xx 10xx7 cm is made out from a transparent material, An air bubble is observed from above at a distance of 3 cm when seen from above and at a distance of 0.5 cm when seen from opposite side. What is the refractive index of the material ? Also find the actual distance of the bubble from the upper face.

A cube of side 15 cm is having an air bubble. The bubble appears at 6 cm from one face and at 4 cm from opposite face. The refractive index of cube is

A double convex lens has faces of radii of curvature 30 cm each. The refractive index of the material of the lens is 1.5. What is the focal length of this lens when immersed is carbondisulphide of refractive index 1.6 ?

A small ink dot on a paper is seen through s glass slab of thickness 4 cm and refractive index 1.5 . The dot appears to be raised by