Homework Statement
Some microowaves (EM radiation) have wavelength of 3 cm. What would be the order of magnitude of grating spacing needed to observe these ?
Homework Equations
n\lambda = d sin\theta
The Attempt at a Solution
First of all, I am not really sure if I was using the...
Homework Statement
I need to find the ration of the intensities of two sounds if one is 12 dB higher than the other ?
Homework Equations
I am not sure
The Attempt at a Solution
I took the inverse log of 12 and multiple the answer with ( 1 * 10^-12) to find I = 1.584 *...