EMS Spectrum
Name the wave with the longest wavelength in the electromagnetic spectrum
Radio Wave
What type of wave has particles that move perpendicular to the wave direction?
Transverse
What unit is used to measure frequency?
Hertz (Hz)
What is wavelength?
distance between two consecutive crests or troughs of a wave
Convert 5.6 x 10^3 to standard form.
5600
Which type of electromagnetic wave is used in medical imaging to see inside the body?
What is an example of a longitudinal wave?
Sound wave
If a wave has a frequency of 5 Hz, how many waves pass a point in one second?
5 waves per second
How does wavelength change if frequency increases (assuming wave speed is constant)?
wavelength decreases
Write 0.00042 in scientific notation.
4.2 x 10^-4
What type of EM wave has a higher frequency than visible light but lower than X-rays?
UV Waves
What are the highest and lowest points of a transverse wave called?
Crests and troughs
What happens to the frequency if the wavelength increases while speed remains constant?
Frequency decreases
What color of visible light has the shortest wavelength?
violet
Convert 7.89 x 10^-2 to standard form.
0.0789
Which EM waves are primarily used in cell phone communications?
Microwaves
In a longitudinal wave, what are the areas where particles are close together called?
Compressions
How is frequency related to the pitch of a sound?
Higher frequency means higher pitch
What is the wavelength of a wave traveling at 300,000,000 m/s with a frequency of 100 MHz?
3 m
Express 1,200,000 in scientific notation.
1.2 x 10^6
What type of electromagnetic radiation is responsible for heat we feel from the Sun?
Infrared Radiation
Which type of waves can travel through anything? do not need a medium
EMS Waves
(Misc) Whats Mr. Sandoval's middle initial?
A
Which type of wave generally has a longer wavelength, radio waves or gamma rays?
Radio Waves
What is 3.45 x 10^5 in standard form?
345,000