M A periodic wave with frequency f = 4 Hz has speed v = 12
S
What is the wave's wavelength?
Round answer to one significant digit.

Describe how the fermi level changes with donor level, temperature and contact with p and n type semiconductors

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.

To a of 4 x hz is 1. 0. mm nm nm