Home
Class 12
PHYSICS
If a particle is seen through layers of ...


If a particle is seen through layers of parallel glass slabs of different refractive index as shown in figure. Where `mu_(0)` is the medium of the observer. If the object has velocity `v` towarsd observer at this instant along the line joining object and observer then, which of the following correctly represent the velocity of the object as seen by observer?

A

`v_(app)=(V)/(m_(3)//mu_(0))`

B

`v_(app)=(v)/(mu_(1)//mu_(0))`

C

`v_(app)=(v)/(mu_(1)//mu_(0))+(v)/(mu_(2)//mu_(0))+(v)/(mu_(3)//mu_(0))`

D

`v_(app)=v`

Text Solution

Verified by Experts

The correct Answer is:
A

Apparent velocity `=((v)/(mu_(3)//mu_(2)))/((mu_(2)//mu_(1))/(mu_(1)//mu_(0)))=(v)/(mu_(3)//mu_(0))`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the arrangement shown in figure., the image of the extended object as seen by the observer is

A particle moving along straight line has velocity v = mu s where s is in the displacement . If s = s_0 then which of the following graph best represent s versus t

Find the apparent depth of object of the object seen by observe A (in the figure shown)

An object has velocity vecv_1 w.r.t. ground. An observer moving with constant velocity vecv_0 w.r.t. ground measures the velocity of the object as vecv_2 . The magnitudes of three velocities are related by

A charged particle is kept at rest on a smooth horizontal surface in uniform magnetic field 'B' which is directed vertically downward as shown in the figure. An observer is moving with constant velocity v towards right. Then with respect to the observer which of the following statements is/are correct :

An object is seen through a glass slab of thickness 36 cm and refractive index 3//2. The observer, and the slab are dipped in water (mu=4//3). The shift produced in the position of the object is

A cylinder is filled with a liquid of refractive index mu . The radius of the cylinder is decreasing at a constant rate K . The volume of the liquid inside the container remains constant at V . The observer and the object O are in a state of rest at a distance L from each other. When radius of cylinder is r the apparent velocity of the object as seen by the observer is

A 20cm thick glass slab of refractive index 1.5 is kept in front of a plane mirror. Find the position of the image (relative to mirror) as seen by an observer through the glass slab when a point object is kept in air at a distance of 40 cm from the mirror.

A source of frequency f is moving towards the observer along the line SO with a constant velocity upsilon_(s) as shown in figure. Plot f' versus t graph . Where f' is the changed frequency observed by the observer.

The image of the an object placed at a point A before a plane mirror LM is seen at the point B by an observer at D as shown in figure.prove that the image is as far behind the mirror as the object is in front of the mirror.