Two radio antennas are separated by 1.60 mm . Both broadcast identical 750 MHz waves.
Part A) If you walk around the antennas in a circle of radius 10.0 mm , how many maxima will you detect?

20

Explanation:

Given the following information:

Expression for path difference is given as:

And for wavelength as:

#substitute the values for wavelength:

#Substituting the values for the ratio of distance to the wavelength;

Hence,

#there are total number of 4 meeting points for maximum constructive interference. Therefore, total number of maxima points are 5×4=20.

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.

f=ma newton

f=100x2.5=250n