Find the maximum wavelength of photons that can generate carriers by being absorbed in the following semiconductors (respective band gap is given in parentheses): ZnTe (2.39 eV); GaN (3.4 eV); InP (1.34 eV). Are they in the region of ultraviolet, visible or infrared?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

The heliocentric and the geocentric models of the solar system included these central principles