Module 1 Flashcards
These are waves that are created as a result of vibrations between an electric field and magnetic field.
Electromagnetic Wave
Electromagnetic waves are produced by
vibrating charge
Which two colors of light lie at the beginning and end of the visible spectrum?
red and violet
This type of EM wave has a wavelength similar to the size of PBA basketball court (28 meters).
Radio Wave
Which of the following electromagnetic waves has the LEAST wavelength range?
Radio waves
What happens to the frequency of electromagnetic wave if its wavelength increases?
Decreases
Which of the following forms of electromagnetic wave has the WIDEST wavelength range?
Radio wave
In the visible spectrum, which color has the LONGEST wavelength?
Red
Which property spells the difference between infrared and ultraviolet radiation?
wavelength
Which electromagnetic wave can travel the FARTHEST distances because it has a wavelength range of greater than 1x10-1 meters?
Microwave
Which among the following electromagnetic waves has the LOWEST frequency?
Radio waves
Which among the following electromagnetic waves has the SHORTEST wavelength?
Gamma Rays
Among the given EM waves below, which carries the MOST energy?
Gamma Rays
Which of the following statements is CORRECT?
a. Gamma ray has the highest frequency and the highest energy.
b. Gamma ray has the highest frequency but has the least energy.
c. Radio wave has the highest frequency and the highest energy.
d. Radio wave has the lowest frequency but has the highest energy.
a. Gamma ray has the highest frequency and the highest energy.
Arrangement from HIGHEST to LOWEST energy (GXUVIMR)
gamma rays, X-rays, ultraviolet, visible light, infrared, microwaves, and radio waves
