The type of radiation that will penetrate farthest into a material is
a. a beta ray.
b. a gamma ray.
c. an x-ray.
d. an alpha ray.
e. they all penetrate material the same distance

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.