Question 12: Estimate the frequencies at which a test tube 15 cm long resonates when you blow across its lip. ANSWER Estimation of frequencies in…
Question 11:Is it possible for two astronauts to talk directly to one another even if they remove their helmets? No, this is not possible for…
Question 9: Why sound waves move faster in solids than in gases? ANSWER Sound waves are mechanical waves and they need a medium for their…
Question 10:Why does the speed of sound wave in gas changes with temperature? ANSWER This means increasing the temperature of the gas increases the speed…
Question 2: What is the difference between longitudinal and transverse waves? ANSWER Differences in transverse and longitudinal waves are as follow; S No Transverse Waves…
Question 3: A careful student says that he can predict the frequency of spring-mass system though he knows that how far the spring stretches when…
Question 4: Is there a transfer of energy through a medium when a stationary wave is produced in it? Explain. ANSWER No, this is not…
Question 5: Two wave pulses are traveling in opposite directions, completely cancel each other as they pass. What happens to the energy possessed by the…
Question 6: What are the conditions for constructive and destructive interference? ANSWER Interference of two (or more) waves can be observed by seeing the waves…
Question 7: How might one can locate the position of node and anti-node on a vibrating string? ANSWER Nodes in a standing wave produced in…