Question

In young's double-slit experiment, the speration
between the two slits is d and the wavelength of
light is 2. The intensity of light falling on slit I is four
times the intensity of light filling on slit 2. Choose the
correct choice(s).
a. If d = 2, the screen will contain only one maximum
b. If a <d<21, at least one more maximum (besides
the central maximum) will be observed ont he screen
c. If the intensity of light falling on slit 1 is reduced so
that it becomes equal to that of slit 2, the intensities
of the observed dark and bright fringes will increase
d. If the intensity of light falling on slit 2 is increased so
that it becomes equal to that of slit 1, the intensities
of the observed dark and bright fringes will increase
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Answer 1

Answer:

?

Explanation: