Physics, 15.12.2020 18:10 netflixacc0107

Which of the following statements correctly compares the speed of waves? A.
Sound, a mechanical wave is fastest through vacuum and slowest through solids. Light which is an electromagnetic wave is fastest through solids and slowest through vacuum.

B.
Sound, an electromagnetic wave is fastest through vacuum and slowest through solids. Light which is a mechanical wave is fastest through solids and slowest through vacuum.

C.
Sound, a mechanical wave is fastest through solids and slowest through gases. Light which is an electromagnetic wave is fastest through vacuum and slowest through solids.

D.
Sound, an electromagnetic wave is fastest through solids and slowest through gases. Light which is a mechanical wave is fastest through vacuum and slowest through solid

Answers: 2

Show answers

Another question on Physics

Physics, 22.06.2019 11:10

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

Answers: 3

Answer

Physics, 22.06.2019 11:30

In a good thermo flask the main cause of heat loss is

Answers: 1

Answer

Physics, 22.06.2019 13:50

Two students, each riding bicycles, start from the same apartment building and ride to the same building on campus, but each takes a different route. the first student rides 1100 m due east and then turns due north and travels another 1430 m before arriving at the destination. the second student heads due north for 1930 m and then turns and heads directly toward the destination.at the turning point, how far is the second student from the destination?

Answers: 3

Answer

Physics, 22.06.2019 14:40

Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?

Answers: 3

Answer

You know the right answer?

Which of the following statements correctly compares the speed of waves? A.
Sound, a mechani...

Questions