A He-Ne laser produces 633 nm light. When it passes through a diffraction
grating with d = 5.55 x 10^-6 m, what is
the angle of its third order (m = 3)
maximum?

Individuals who live below the poverty line get seriously ill more often than those who do not what could be the hidden variable in this situation?

Question 1 (5 pts): what is the maximum distance for which you can you resolve the two individual headlights of an on-coming truck as two separate lights rather than one if the headlights are separated by 2.00 m and your eye has a diameter of 1.00 centimeter? assume a wavelength of 500 nm.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?