What is the wavelength of radiation that has a frequency of 3.4 x 10 11 s –1? Group of answer choices 8.8 x 10 5 nm 8.8 x 10 -13 nm 1.0 x 10 11 nm 8.8 x 10 -4 nm 1.0 x 10 -9 nm

Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies.

The magnetic field inside a superconducting solenoid is 4.50 t. the solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. determine (a) the magnetic energy density in the field and (b) the energy stored in the magnetic field within the solenoid.

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false