If the distance between the two slits and the viewing screen is decreased, the b

Question

If the distance between the two slits and the viewing screen is decreased, the bright fringes in Young's double-slit experiment will ... a) move closer together b) move further apart c) stay the same distance from one another If a diffraction grating is illuminated by a laser beam, the distance between slits is inversely proportional to the number of slits. a) False b) True If the number of lines in a diffraction grating is decreased, the bright fringes will... a) move closer together b) move further apart c) stay the same distance from one another If the wavelength of the light used in Young's double-slit experiment is decreased, the fringes will ... a) move closer together b) move further apart c) stay the same distance from one another

Explanation / Answer

here,

the distance between the fringes , y = lamda * d/D

so , when the distance between the two slits and the viewing screen is decreased,

y increases

the bright fringes in Young's double slit experiment will

b) move further apart

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