Single-Slit Diffraction: Light of wavelength 580 nm is incident on a slit of width 0.30 mm. An observing screen is placed 2.0 m past the slit. Find the distance on the screen of the first order dark fringe from the center of the pattern.

A. 0.26 mm
B. 1.5 mm
C. 1.9 mm
D. 3.9 mm
E. 7.7 mm


Answer: D

Physics & Space Science

You might also like to view...

Retrograde motion (east to west among the stars) is observed

a. for some planets as Earth passes between that planet and the Sun. b. for the Sun during the entire year. c. for Earth's Moon during an entire month. d. None of the other choices are correct.

Physics & Space Science

When the adjustable mirror on the Michelson interferometer is moved 20 wavelengths, how many fringe pattern shifts would be counted?

a. 5 b. 10 c. 20 d. 40 e. 80

Physics & Space Science

Which statement is always correct when applied to a charge distribution located in a finite region of space?

a. Electric potential is always zero at infinity. b. Electric potential is always zero at the origin. c. Electric potential is always zero at a boundary surface to a charge distribution. d. Electric potential is always infinite at a boundary surface to a charge distribution. e. The location where electric potential is zero may be chosen arbitrarily.

Physics & Space Science

Three horses are side-by-side on a merry-go-round: one at the edge, one near the axis, and one in between. Each horse has the same angular speed. Which horse has the greatest linear speed?

A. The horse nearest the axis B. The horse in the middle C. The horse at the edge D. The linear speed is the same for all three horses

Physics & Space Science