types of radiation/waves

Question 1

radiowaves

Answer 1

Communication

Question 2

infrared

Answer 2

Heat sensing, night vision.

Question 3

microwaves

Answer 3

Cooking, radar.

Question 4

visible light

Answer 4

human vision: roygbiv

Question 5

unltraviolet

Answer 5

Sterilization, tanning

Question 6

x rays

Answer 6

Medical imaging.

Question 7

gamma rays

Answer 7

Cancer treatment.

Question 8

frequency and wavelength relationship

Answer 8

c=fλ
(c is speed of light)

Question 9

speed of light

Answer 9

3x10^8 m/s

Question 10

transverse waves

Answer 10

does not require a medium, ex. water waves

Question 11

longitudinal waves

Answer 11

requires a medium, ex. slinky

Question 12

which em wave has longest wavelength

Answer 12

radiowaves

Question 13

which em wave has highest frequencies

Answer 13

gamma rays

Question 14

are electromagnetic waves longitudinal or transverse

Answer 14

transverse

Question 15

alpha radiation

Answer 15

Alpha particles consist of 2 protons and 2 neutrons (essentially a helium nucleus). low penetrating power

Question 15

beta radiation

Answer 15

Beta particles are high-speed electrons or positrons emitted during beta decay medium penetrating power

Question 16

gamma radiation

Answer 16

Gamma rays are high-energy electromagnetic waves emitted from the nucleus during radioactive decay (usually alongside alpha or beta particles).