1. What is the wavelength
a sound wave in air with a frequency of 50 Hz?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.

Ajoint produces movement when its angle decreases. which type of movement is it?