Home
Class 12
PHYSICS
A dust particle is inside a sphere of re...

A dust particle is inside a sphere of refractive index `4/3.` If the dust particle is `10.0 cm` from the wall of the `15.0 cm` radius bowl, where does it appear to an observer outside the bowl.

Text Solution

Verified by Experts


Using `mu_2/v-mu_1/u=(mu_2-mu_1)/R`, we get
`1/v-(4//3)/-10=(1-4//3)/-15`
Solving, we get `v=-9.0 cm`
Promotional Banner

Topper's Solved these Questions

  • REFRACTION OF LIGHT

    DC PANDEY|Exercise Exercise 31.6|12 Videos
  • REFRACTION OF LIGHT

    DC PANDEY|Exercise Exercise 31.7|2 Videos
  • REFRACTION OF LIGHT

    DC PANDEY|Exercise Exercise 31.4|1 Videos
  • REFLECTION OF LIGHT

    DC PANDEY|Exercise Subjective|9 Videos
  • SEMICONDUCTORS

    DC PANDEY|Exercise Subjective|12 Videos

Similar Questions

Explore conceptually related problems

An equiconvex lens is made from glass of refractive index 1.5. If the radius of each surface is changed from 5cm to 6cm, then the power

In a thin spherical fish bowl of radius 10 cm filled with water of refractive index (4//3) , there is a small fish at a distance 4 cm from the centre C as shown in Figure. Where will the fish appear to be, if seen from (a) E and (b) F (neglect the thickness of glass)?

A fish bowl of diameter 20 cm is filled with a liquid of refractive index 1.4. A letter O is written on the outer surface of the bowl. Determine the position of the image of the word formed when observed through the bowl from the opposite side.

An air bubble is seen inside a solid sphere of glass (n=1.5) of 4.0 cm diameter at a distance of 1.0 cm from the surface of the sphere (on seeing along the diameter). Determine the real position of the bubble inside the sphere.

A sphere made of transparent material of refractive index ( mu =3/2 )and of radius 50 cm has a small air bubble 10 cm below the surface. The apparent depth of the bubble if viewed from outside normally is

There is a glass sphere of radius 20 cm having refractive index 1.5. A point object is embedded inside it at a distance 6 cm to the left of the centre. Locate the image for observer looking from left. Locate the image for observer looking from right.

In Figure, a fish watcher watches a fish through a 3.0 cm thick glass wall of a fish tank. The watcher is in level with the fish, the index of refraction of the glass is 8//5 and that of the water 4//3 . a. To the fish, how far away does the watcher appear to be ? b. To the watcher, how far away does the fish appear to be ?