A grating is made with 600 slits per millimeter. What is the slit separation?
A. 600 nm
B. 
C. 
D. 160 pm
E. 916 nm
B.
You might also like to view...
Jenny drives at a constant speed of 15 m/s around a circular drive of diameter 60 meters
(a) Determine her acceleration in m/s2. (b) Is her acceleration tangential, centripetal, or centrifugal? (c) Is her velocity tangential, centripetal, or centrifugal?
The vertical speed of a projectile
a. is zero. b. stays constant. c. continuously increases. d. continuously decreases. e. sometimes decreases and sometimes increases.
Two charges are separated by a certain distance. If the magnitude of each charge is doubled the force on each charge is
a. halved. b. doubled. c. tripled. d. quadrupled.
When discussing stellar lives, astronomers divide stars by mass into low-mass, intermediate-mass, and high-mass stars. Which category includes our Sun?
A) The Sun is a low-mass star. B) The Sun is an intermediate-mass star. C) The Sun is a high-mass star.