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First, draw a rectangular slab. Mark the walls A,B,C,D.(not the vertices) Put a ball inside. Draw 2 slits S1,S2 outside the rectangle. Follow the following directions carefully henceforth: 1)The diagram drawn is the top view of an arrangement. 2)Medium pervading empty space is vacuum. 3)Walls B,C,D are crown glass walls. 4)Wall A is made of metal X 5)Ball is made of metal Y 6)From the slits S1,S2, light beams are incident, having very high frequency, as well as very high intensity. Frequency of incident beams is greater than threshold frequency for metal Y. Light beams are incident in such a manner that they pass through transparent walls and hit the ball. However, the never at any instant of time hit wall A. 7)Initially wall A is +vely charged with (Q/4-pi-epsilon-nought)>>(l^2) where "Q"=charge on wall A, and , "l"=length of rectangle(wall A is one of the sides representing width of rectangle). 8)"d" is the initial perpendicular distance between ball, and wall A, and given: (d 9)S1,S2 are allowed to emit light beams for a fraction of second only, and then they are switched off. 10)Floor is frictionless, made of insulating material. 11)Ball's diameter is equal to length of wall A, and is light. 12)All walls and ball are perfectly elastic. 13)Assume that impulse on ball due to the wall obstructing the walls motion is just enougth to put the ball at rest. There is no answer given. Just the question itself.

First, draw a rectangular slab.


Mark the walls A,B,C,D.(not the vertices)


Put a ball inside.


Draw 2 slits S1,S2 outside the rectangle.


Follow the following directions carefully henceforth:


1)The diagram drawn is the top view of an arrangement.


2)Medium pervading empty space is vacuum.


3)Walls B,C,D are crown glass walls.


4)Wall A is made of metal X


5)Ball is made of metal Y


6)From the slits S1,S2, light beams are incident, having very high frequency, as well as very high intensity. Frequency of incident beams is greater than threshold frequency for metal Y. Light beams are incident in such a manner that they pass through transparent walls and hit the ball. However, the never at any instant of time hit wall A.


7)Initially wall A is +vely charged with                                                    (Q/4-pi-epsilon-nought)>>(l^2)


where "Q"=charge on wall A, and , "l"=length of rectangle(wall A is one of the sides representing width of rectangle).


8)"d" is the initial perpendicular distance between ball, and wall A, and given:


            (d<

9)S1,S2 are allowed to emit light beams for a fraction of second only, and then they are switched off.


10)Floor is frictionless, made of insulating material.


11)Ball's diameter is equal to length of wall A, and is light.


12)All walls and ball are perfectly elastic.


13)Assume that impulse on ball due to the wall obstructing the walls motion is just enougth to put the ball at rest.


There is no answer given. Just the question itself.

Grade:11

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