A point source of light 'S' at a distanc...

A point source of light 'S' at a distance d from the screen A produces light intensity `I_(0)` at the centre of the screen. If a completely reflecting mirror M is placed at a distance d behind the source as shown in the figure, find the intensity at the centre of the screen

`(9)/(10) I _(0)`

`(10)/(9) I _(0)`

`(8)/(9) I _(0)`

`(9)/(8) I _(0)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

NTA TPC JEE MAIN TEST 72
NTA MOCK TESTS|Exercise PHYSICS |30 Videos
NTA TPC JEE MAIN TEST 80
NTA MOCK TESTS|Exercise PHYSICS |30 Videos

Similar Questions

Explore conceptually related problems

If the distance between a point source and screen is doubled, then intensity of light on the screen will become

In the figure shown, O is a point source of light and S is a screen placed at a distance L from the source. Intensity of light at point A on the screen due to the source is 81 I where I is some unit. Now a large mirror (M) is placed behind the source at a distance L from it. The mirror reflects 100% of the light energy incident on it. Calculate the inten- sity at point A. ,brgt

A mono chromatic light source of wave length I is placed at a distance R from the mirror as shown and a spherical screen of radius R is at a distance R from the source as shown in the figure and point P is on the sphere nearest to the source.It R is two times the wave length (R=2l) then f'+(p)

In Young's double-slit experiment, the intensity at a point P on the screen is half the maximum intensity in the interference pattern. If the wavelength of light used is lambda and d is the distance between the slits, the angular separation between point P and the center of the screen is

A point source of light S is placed in front of a perfectly reflecting mirror as shown in Figure. Sigma is a screen. The intensity at the center of screen is found to be I. If the mirror is removed, then the intensity at the center of screen would be

A point source of light is placed in front of a plane mirror as shown in Figure. Determine the length of reflected path of light on the screen Sigma

NTA MOCK TESTS-NTA TPC JEE MAIN TEST 79-PHYSICS

A galvanometer has a resistance of 100Omega. potential difference of 1...
Text Solution
|
A flexible wire bent in the form of a circle is placed in a uniform ma...
Text Solution
|
A point source of light 'S' at a distance d from the screen A produces...
Text Solution
|
A message signal of frequency 60 kHz and peak voltage 8 V is used modu...
Text Solution
|
In the following circuit i(1) and i(2) are respectively
Text Solution
|
Below the fixed end of the insulating horizontal thread, at a distance...
Text Solution
|
For a gas sample with N(0) number of molecules, function N (V) is giv...
Text Solution
|
jn A magnet of length 'L' and magnetic moment M is given. What will be...
Text Solution
|
In a hall, a person receives direct sound waves from a source 120 m aw...
Text Solution
|
Read the following statements carefully : (i) product of a volt and an...
Text Solution
|
Water is flowing in a streamline down the incline having inclination 3...
Text Solution
|
A bead of mass m is located on a parabolic wire with its axis vertical...
Text Solution
|
The amount of heat required to raise the temperature of 10 g liquid fr...
Text Solution
|
Two moles of helium gas undergo a cyclic process as shown in figure. A...
Text Solution
|
In a double slit experiment, interference is obtained from electron wa...
Text Solution
|
A particle of mass m slides on a frictionaless surface ABCD, starting ...
Text Solution
|
The energy flux of sunlight reaching the surface of the earth is 1.388...
Text Solution
|
Calculate the current drawn by the primary of a tarnsformer which step...
Text Solution
|
If I(1),I(2) and I(3) are the moments of inertia about the natural axi...
Text Solution
|
What should be the wavelength (in Å ) of X-ray used for getting the f...
Text Solution
|