One of the mirrors of a Michelson interferometer is moved, and a shift of 140 fringes in the output pattern occurs. If the device is illuminated with 500 nm light, how far was the mirror moved

Which characteristics is common in mature rivers river

What happens when light hits a shiny or smooth surface? A It disappears B It is refracted C It is absorbed D It is reflected.

An external, frictionless pin only prevents rotation. A. True B. False

What is the lupac name H3C - CHT the H₂ - CH - CH2 CH₂ CH₂ CH3

In a remote location near the North Pole, an iceberg floats in a lake. Next to the lake (assume it is not frozen) sits a comparably sized glacier sitting on land.

Through which medium would EM waves travel the fastest? A. The Ocean B. The Atmosphere C. Rocks

Average mass of a toy car (small, hot wheels) ?

A cannon directed straight upward launches a ball with an initial speed v. The ball reaches a maximum height h in a time t. Then, the same cannon is used to launch a second ball straight upward at a speed 2v.

Does the sun fuse hydrogen into helium or vice versa?

Is it possible to put a distance versus time graph to be universal go mine