This physics problem tests your understanding of fundamental physical laws and their applications. The step-by-step solution below breaks down the problem using relevant equations and physical reasoning.
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Halkan waa xalka su'aalaha: 7. What property of waves is illustrated by the diagram? The diagram shows two wave sources (S1 and S2) producing waves that overlap and interact, creating a pattern of reinforcement and cancellation. This phenomenon is known as interference. d) Interference 8. The graph shown in the figure represents a displacement – time graph. What does the letter x represent? In a displacement-time graph, 'x' represents the time taken for one complete cycle or oscillation of the wave. This is the definition of the period of a wave. b) Period 9. The telecommunication symbol show in the figure represents The symbol shows an inductor and a capacitor connected in parallel, which forms an LC circuit. This type of circuit is known as a resonant circuit, often used in telecommunications for tuning to specific frequencies. c) Resonant circuit 10. Which of the following properties does NOT belong to sound waves? Sound Sound waves are mechanical waves, meaning they require a medium to travel. They consist of compressions and rarefactions and are produced by vibrating sources. They cannot travel through a vacuum. c) Can travel through vacuum 11. The figure shows a source of nuclear radiations directed in an electric field. Which correctly represents the different types of radiation? Step 1: Analyze the deflection of each radiation type in the electric field. The top plate is positive (+), and the bottom plate is negative (-). P: Deflects towards the negative plate, indicating it is positively charged. Alpha particles () are positively charged. Q: Passes straight through without deflection, indicating it is neutral. Gamma rays () are uncharged electromagnetic waves. R: Deflects towards the positive plate, indicating it is negatively charged. Beta particles () are negatively charged electrons. Beta particles are also deflected more significantly than alpha particles due to their smaller mass. Step 2: Match the radiation types to the paths. P = Alpha Q = Gamma R = Beta Step 3: Compare with the given options. Option C matches our findings: P = Alpha, Q = Gamma, R = Beta. c) P=Alpha, Q=Gamma, R=Beta 3 done, 2 left today. You're making progress.