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A student performs a double-slit experiment using a monochromatic light source with a wavelength of 5.00...

A student performs a double-slit experiment using a monochromatic light source with a wavelength of 5.00 ´ 10–7 m. The pattern appears on a screen 150 cm away and the bright fringes are 0.40 cm apart. If the wavelength of the light used is changed to 7.50 ´ 10–7 m, what would the average distance between bright fringes become?

a.

0.15 cm

d.

0.60 cm

b.

0.20 cm

e.

1.5 m

c.

0.27 cm

0 0
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