A beam of light of wavelength 600 nm is incident normally on a diffraction grating with a spacing between slits of 1.70 × 10-4 cm. At what angle away from the centerline does a first-order maximum occur?
A) 10.5°
B) 12.1°
C) 16.4°
D) 18.2°
E) 20.7°
E
You might also like to view...
Which of these stars lies closest to the north celestial pole on the celestial sphere?
Consider the following data for four stars: Star RA Dec. Spica 13hr24m.1 -11°20' Deneb 20hr39m.7 +45°06' Sirius 6hr44m.2 -16°42' Alpha Centauri 14hr38m.4 -60°46' A) Deneb B) Alpha Centauri C) Spica D) Sirius
Two identical golf carts move at different speeds. The faster cart has twice the speed and therefore has
A) twice the kinetic energy. B) four times the kinetic energy. C) eight times the kinetic energy. D) none of the above
What evidence do we have that the Universe is expanding?
What will be an ideal response?
Find the frequency of X-rays of wavelength 1 Å = 10?10 m.
A. 3 × 1018 Hz B. 3 × 1010 MHz C. 6 × 109 Hz D. 3 × 108 Hz E. 3 × 1020 Hz