Young's Double Slit Interference (quasihome.com) - Varying Screen Distance Choose slit distance (3.5mm) and a wavelength (700nm), these should remain constant for the rest of this part of the investigation. Change screen distance and count bright bands. Screen Distance Range Screen distance (L) chosen # of Bright bands observed (n) 2-2.5 m 2.5-3.0m 3.0-3.5 m 3.5-4.0 m 4.0-4.5 m 4.5-5.0 m

Young's Double Slit Interference (quasihome.com) - Varying Screen Distance Choose slit distance (3.5mm) and a wavelength (700nm), these should remain constant for the rest of this part of the investigation. Change screen distance and count bright bands. Screen Distance Range Screen distance (L) chosen # of Bright bands observed (n) 2-2.5 m 2.5-3.0m 3.0-3.5 m 3.5-4.0 m 4.0-4.5 m 4.5-5.0 m

Screen Distance Range	Screen distance (L) chosen	# of Bright bands observed (n)
2-2.5 m
2.5-3.0m
3.0-3.5 m
3.5-4.0 m
4.0-4.5 m
4.5-5.0 m