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Last Updated On 01-06-2023 - By Jeesha Sara

In a young’s double slit experiment, the path different, at a certain point on the screen, between two interfering waves is  of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

(a)

0.94

(b)

0.74

(c)

0.85

(d)

0.80


Question ID - 50302 :-

In a young’s double slit experiment, the path different, at a certain point on the screen, between two interfering waves is  of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

(a)

0.94

(b)

0.74

(c)

0.85

(d)

0.80

1 Answer
5876 Votes
3537

Answer Key : (c) -

=

I=I0 cos2

=cos2



Next Question :

If the de-Broglie wavelength of an electron is equal to 10−3 times the wavelength of a photon of frequency 6×1014 Hz, then the speed of electron is equal to : (Speed of light =3 ×108 m/s Planck’s constant=6.63×10−34 J.s Mass of electron =9.1×10−31 kg)

(a)

1.45× m/s

(b)

1.7×106 m/s

(c)

1.8×106 m/s

(d)

1.1 ×106 m/s


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