Last Updated On 16-03-2023 - By Jeesha Sara
In the phenomenon of diffraction of light, when blue light is used in the experiment instead of red light, then
a)
Fringes will become narrower
b)
Fringes will become broader
c)
No change in fringe width
d)
None of the above
In the phenomenon of diffraction of light, when blue light is used in the experiment instead of red light, then
a)
Fringes will become narrower
b)
Fringes will become broader
c)
No change in fringe width
d)
None of the above
Question ID - 150044 :-
In the phenomenon of diffraction of light, when blue light is used in the experiment instead of red light, then
a)
Fringes will become narrower
b)
Fringes will become broader
c)
No change in fringe width
d)
None of the above
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In the phenomenon of diffraction of light, when blue light is used in the experiment instead of red light, then |
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|
a) |
Fringes will become narrower |
b) |
Fringes will become broader |
|
c) |
No change in fringe width |
d) |
None of the above |
|
(a) Width of central maximum is given by
Where From Eq. (i), it is clear that fringe width
So, when blue light is used in the experiment instead of red light, the fringes will become narrower. |
is focal length of lens, a is width of slit and 
is wavelength of light used.
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The electric field of a plane electromagnetic wave varies with time of amplitude |
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a) |
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b) |
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propagating along 
-axis. The average energy density of the magnetic field is (in 
)
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