Summary we have seen that in quantum optics the em field is represented as a set of independent quantized harmonic oscillators of energy 1 hoa(t)a (t) (1.53) moreover, we express the vector potential and the electric field in terms of plane determined by the creation à and annihilation à operators waves whose amplitudes are quantized and eral description and quantization of em fields associated with the mode k of the field as - hc] (1.54) hop k 4(+) = e (f, t)+(f, t), (1.55) where h. c. stands for the hermitian conjugate of the first term in the bracket, and (- e 4(+) f, t) hox -en(t) ek. (1.56) 260v (f. i-(0', the constant ha/(2e0v) is called the quantum unit of electric strength

Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

An isolated conducting spherical shell carries a positive charge. part a which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? which statement (or statements) about the electric field and the electric potential inside and outside the spherical shell is correct? electric potential inside the shell is constant and outside the shell is changing as 1/r2 both the electric potential and the electric field does change with r inside and outside the spherical shell electric potential inside and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is equal to zero electric field inside and outside the shell is constant (does not change with the position r), but is not equal to zero electric field inside and outside the shell is changing as 1/r (where r is the distance from the center of the sphere) electric field inside is equal to zero and outside the shell is constant, but not zero electric potential inside the shell is constant and outside the shell is changing as 1/r electric field inside and outside the shell is changing as 1/r2 electric field inside is equal to zero and outside the shell is changing as 1/r2 electric field inside and outside the shell is zero electric field inside is constant and outside the shell is changing as 1/r