For silicon at T=500KT = 500 KT=500K, calculate the equilibrium hole concentration in cm−3cm^{-3}cm−3, if EC−EF=0.3eVE_C - E_F = 0.3 eVEC​−EF​=0.3eV. Values within 5% error will be considered correct

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

What is a good example of instantaneous speed

What is a costume plot? why is it important to a film or theater production?