Light waves are ______________ and ___________ waves
What is electromagnetic and transvers
100
Sound waves are __________________ and ______________ waves
What is mechanical and longitudinal
100
Wavelength is a __________________ function of frequency
What is inverse
100
what is the speed of sound in 19 degree air
What is 342.4 m/s
100
How many times did William jennings Bryan unsuccessfully run for president?
What is 4
200
Red shirts ____________ red light
What is reflect
200
A tuning fork has a 350 Hz frequency. What frequencies would produce a 6 Hz beat with this fork?
What is 344hz, 356 Hz
200
If the amplitude changes are perpendicular to the motion of the wave it is a _____________ wave
What is transverse
200
the beat produced by a 450 and 460 hz tuning forks are
What is 10 hz
200
What is the name of the theater where shakespeares plays were first performed?
What is Globe
300
When two polarizers are perpendicular, how much light gets through them
What is none 0%
300
Unlike light, sound _______________ travel in a vacuum.
What is cannot
300
When two waves are __________________ they _________________________ interfere, making a bigger wave
What is in phase, constructively interfere
300
Find the amount of pulses emitted by a 200 hz sound wave in 4.2s
What is 840Hz
300
The Columbia river separates what two states
What is oregon and washington
400
Orange light has a wavelength of 600 nm. How many pulses of orange light are emitted by a light bulb in 0.01s
What is 5 x 10^-12
400
James Franco gets stuck in a rock and yells for help. After what time does he hear his echo if the temperature of the air is 26 degrees celcius and the cliff that his yell bounces of is 147 m away?
What is .85s
400
When a wave hits a denser medium, the reflected wave is ________________ with the original wave
What is out of phase
400
The whistle on a train has a frequency of 541 Hz. The train is moving at 21.5 m/s away from a person walking 2 m/s towards the train on the platform. If sound travels at 343 m/s, what is the frequency of the sound heard by the person?
What is 512 hz
400
Hemoglobin carries what through the body of mammals
What is oxygen
500
Illuminance is a ____________________ function of diatance
What is inverse squared
500
A man watches a train with a 347 Hz whistle approach him. What frequency does he hear if the train is moving at 18 m/s?
What is 366Hz
500
Sound travels __________________ in denser media
What is faster
500
what is the period of a wave that undergoes 12,685 pulses in 65 s?