Which of the following wavelengths have the highest frequency? Group of answer choices a. infrared waves b. radio waves c. microwaves d. visible light

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?

Atruck with 34-in.-diameter wheels is traveling at 55 mi/h. find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: