Physics Final (3d): LIGHT

Question 1

Light Waves

Answer 1

an oscillating electric and magnetic field that propogates through space

Question 2

Wave Speed

Answer 2

equal to the frequency of the wave multiplied by the wavelength of the wave

Question 3

EM Spectrum

Answer 3

the entire spectrum of light waves including radio waves, microwvaes, infrared light, visible light, UV rays, X-rays, and gamma rays

Question 4

Light Polarization

Answer 4

the attribute that a wave’s oscillations have a definite direction relative to the direction of propagation of the wave

Question 5

Diffraction

Answer 5

the bending of light around an obstacle in its path

Question 6

Radioactivity

Answer 6

emission of rays when a nucleus destroys part of its mass

Question 7

Alpha Radiation (α)

Answer 7

radiation emission of a helium nucleus

Question 8

Beta Radiation (β)

Answer 8

radiation emission of an electron

Question 9

Gamma Radiation (γ)

Answer 9

radiation emission of a high-energy photon by a nucleus