In a light interference pattern, alternate dark and bright fringes are seen. why are the bright fringes formed?

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

Which quantities are scalars? choose all that apply a.distance b.speed c. acceleration d.velocity

Argon is adiabatically compressed from an initial volume of 16 liters to a final volume of 2 liters. by what factor do the following quantities change? do they increase or decrease? (a) the rms speed (b) the thermal energy of the gas (c) the molar specific heat cv (d) the pressure