a microwave transmitter at o produces waves of wavelength 2.8 cm. when a metal reflector is placed as shown, an interference pattern is observed with q on a line of constructive interference. if the sum of distances op and pq is 42.8 cm, what is the most probable length of oq?

Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v

Which object is most likely represented by a dot?

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.