Characteristics
DOUBLE JEOPARDY!!!!
https://docs.google.com/presentation/d/1iKVEKOWhWrCIanN3eVlkUk6meHj4O919OLGx4WhXPkY/edit?usp=sharing
0.2 m
What is the period of a sound wave having a frequency of 340. hertz? Round to three decimal places
0.003 s
Radiations such as radio, light, and gamma are propagated by the interchange of energy between
A) magnetic fields, only
B) electric fields, only
C) electric and gravitational fields
D) electric and magnetic fields
D
The amplitude of a sound wave is to its loudness as the amplitude of a light wave is to its
A) brightness
B) frequency
C) color
D) speed
A
DOUBLE JEOPARDY!!
A distance of 1.0 × 10–2 meter separates successive crests of a periodic wave produced in a shallow tank of water. If a crest passes a point in the tank every 4.0 × 10–1 second, what is the speed of this wave?
2.5 × 10–2 m/s
DOUBLE JEOPARDY!! The speed of a light ray in corn oil is ____.
(answer in scientific notation)
2.04 x 10^ m/s
If 12 waves pass a point in 4 seconds, the frequency of vibration is ______.
3 Hz
The speed of light in a material is 2.50 ×108 meters per second. What is the absolute index of refraction of the material?
1.2
What is the wavelength of X-rays with a frequency 1.5 × 1018 hertz traveling in a vacuum?
(in scientific notation)
2.0 × 10–10 m
What is the period of a wave if 20 crests pass an observer in 4 seconds?
0.2 s
A monochromatic ray of light (f = 5.09 × 1014 hertz) traveling in air is incident upon medium A at an angle of 45°. If the angle of refraction is 29°, what could medium A be?
fused quartz
An electromagnetic wave is produced by charged particles vibrating at a rate of 3.9 × 108 vibrations per second. Which type of electromagnetic wave is this classified?
radio