Monochromatic light with a wavelength of 6.4 e -7 meter passes through two narrow slits, producing an interference pattern on a screen 4.0 meters away. the first order bright band lines are 2.0 e -2 meters away from the central bright maxima.
what is the distance between the slits?

The distance between the slits is .

Explanation:

Given that,

The wavelength of the monochromatic light

Distance = 4.0 m

Width

Using formula of the distance between the slits

Where, x = distance from central fringe

D = Distance between the slit and screen

d = distance between the slits

n = number of order

=wavelength

Put the value into the formula

Hence, The distance between the slits is .

a) are muscles that have bands.

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energy stored in the capacitor= 9.72 x 10⁻⁴ j

explanation:

the energy stored in the capacitor is given by

e= 1/2 c v²

e= energy stored

c= capacitance= 1.5 µc= 1.5 x 10⁻⁶f

v= potential difference=36 v

so energy stored= e= 1/2 (1.5 x 10⁻⁶) (36)²

energy stored= 9.72 x 10⁻⁴j