Solve the all parts of given problem:
Problem: The electromagnetic waves used in a microwave oven has a wavelength of 13.34 cm.
Part a: What is the frequency of this radiation?
Part b: Electromagnetic waves in a microwave can exhibit standing waves just as we discussed for other types of waves. If there is a standing wave in your microwave oven, what is the distance between nodes?
Part c: Based on your answer in part (b), why do you think microwaves ovens contain rotating carousels?
Please show how you got the answer for above problem.