A Red Laser Pointer with a Wavelength of 635 Nm

A red laser pointer with a wavelength of 635 nm is shined on a double-slit producing an interference pattern on a screen that is 1.6 m behind the double-slit.The central maximum of the interference pattern has a width of 4.2 cm,and it is noted that the third bright spot is missing on both sides.What is the size of the individual slits that were used to make the double-slit?

A) 4.0 * 10^-6 m
B) 8.1 * 10^-6 m
C) 16 * 10^-6 m
D) 24 * 10^-6 m
E) 48 * 10^-6 m

Correct Answer:

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Access For Free