PHYSICS 7407_2_QP_Physics_AS_
AQA PHYSICS 7407_2_QP_Physics_AS_ Answer all questions in this section. box 0 1 A student investigates stationary waves using microwaves. Figure 1 shows a metre ruler fixed to a bench. The student places a microwave transmitter T at one end of the ruler and a vertical metal reflector R at the other end. R is at a right angle to the ruler.
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