Gamma rays X-rays
Ultra-
violet
Infrared
Radio waves
Radar TV FM
AM
0.0001 nm
0.01 nm
10 nm
1000 nm
0.01 cm
1 cm
1 m
100 m
Visible
light
Which of the following descriptions best represents the amount of radiation that is absorbed by the ruby at various wavelengths?

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Which is not true about oxygen-17 and oxygen-18?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects