Quiz 2nd sec ( diffraction and refraction )
Group
سنتر الراعي شبرا
سنتر النخيل المهندسين
سنتر توب 4 شبرا الخيمه
سنتر أسك الزيتون
سنتر الفا فيصل
In youngs douple slit experiment how can we increase the distance between the bright frings
By increasing the distance between the two slits
By decreasing the distance between two screen
By using white observation screen
By using light source with smaller frequency
In youngs douple slit experiment determine the value of the wave length if the distance between the two screens is 0.75 m and the distance between the two slits is 0.00015 and the distance between any two successive bright parts is 0.002 m calculate the value of the wavelength
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from the previous example determine the value of frequency knowing that V = 3 x 108 m/s
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In youngs douple slit experiment which of the following path difference can be used to obtain area with maximum amplitide
0 wavelength
1/2 wavelength
4/5 wavelength
3/2 wavelength
If the point of interferance is reached by the two waves having the same phase then this area of interferance will be
Constructive interferance
Destructive interferance
If the path difference at the first dark part after the central part is 0.5 m then the wavelenght equals
1 m
2 m
1/2 m
1.5 m
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