46. What is the name of the type of radiation that has a wavelength shorter than visible light?
a) Ultraviolet
b) Infrared
c) X-rays
d) Gamma rays
47. What is the name of the type of radiation that has a wavelength longer than visible light?
a) Ultraviolet
b) Infrared
c) X-rays
d) Gamma rays
48. What is the name of the type of radiation that is highly penetrating and can cause damage to living cells?
a) Ultraviolet
b) Infrared
c) X-rays
d) Gamma rays
49. What is the name of the process where an atom or molecule absorbs light energy and is elevated to a higher energy state?
a) Reflection
b) Refraction
c) Absorption
d) Emission
50. What is the name of the process where an atom or molecule releases light energy as it returns to a lower energy state?
a) Reflection
b) Refraction
c) Absorption
d) Emission
