Last Updated On 16-03-2023 - By Jeesha Sara
In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of 
The direction 
of the first secondary maximum is given by
a)
b)
c)
d)
In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of The direction of the first secondary maximum is given by
a)
b)
c)
d)
Question ID - 150190 :-
In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of The direction of the first secondary maximum is given by
a)
b)
c)
d)
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In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of |
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a) |
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b) |
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c) |
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d) |
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(b) For first diffraction minimum
For first secondary maximum
Or
Or |
Next Question :
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In double slit experiment, the angular width of the fringes is |
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a) |
Increase of |
b) |
Decrease of |
c) |
Increase of |
d) |
Zero |
for the sodium light 
. In Order to increase the angular width of the fringes by 10%, the necessary change in the wavelength is
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