What is the difference between diffuse and specular reflections? Specular reflection occurs only in a vacuum, and diffuse reflection occurs outside of a vacuum.

Diffuse reflection occurs on smooth surfaces, and specular reflection occurs on rough surfaces.

Specular reflection occurs on smooth surfaces, and diffuse reflection occurs on rough surfaces.

Diffuse reflection occurs on opaque surfaces, and specular reflection occurs on transparent surfaces.

Choose the most likely outcome of this scenario: jen decided to go bike riding without a helmet. while no one is around during her ride, she is thrown from her bike when her wheel goes into a pothole. she is not injured, but she is terrified to get back on her bike. what happens next? a. her physical health is affected even though she wasn't hurt. b. her mental and emotional health are affected because she is afraid to get back on her bike. c. her social health is affected because she is worried her friends saw the fall. d. her overall health is not affected at all by her fall.

J. j. thomson’s experiment disproved the theory that an atom

An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. what other characteristic does the radiation have?