Answer to Question #141031 in General Chemistry for Brionna

Question

1. Excited aluminum atoms in a transmitter/antennae emit photons that are 1000 m long and have a frequency of
300,000 Hz. What is: a) the speed of the EMR, and b) what type of wave is it?

2. A black-light is turned on and excited atoms in the tube emit photons with a wavelength of 0.000000440 m long and travel at 300,000,000 m/s. What is the EMR’s: a) frequency b) period and c) what color of visible light is it?

Answer 1

1.a 300000000m/s

b. longitudinal waves 

2. a 681818181818181 hz

b. 1.4667×10^-15

c. Violent