Never seen the formula before. The question is from an old past paper so it might be off the specification. The only thing relating to path difference that I have seen is the Young's modulus experiment. Anyways I had an attempt, is my working correct?
Θ = 45.72/2 = 22.86 degrees
2*485.6*10^-9 =...
Homework Statement
Question:
Blue light of wavelength 485.6nm from a star is incident normally on a diffraction grating. The light is diffracted into a number of beams, as shown in Fig 5.4.(attached)
The angular separation of the two second-order beams is 45.72 degrees.
Calculate the...
Homework Statement
Question
Anna is calculating the mean and standard deviation for a set of data for a random
variable X. The data is summarised in the table below.
x: 10– 20– 30– 40–50
Frequency: 8 20 12 0
(i) For each of the following cases, write...