## frequencies-in-15-cm-long-test-tube

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…

## sound-waves-in-space

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…

## speed-of-sound-in-gas-changes-with-temperature

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…

## sound-waves-move-faster-in-solids-than-gases

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…

## index-sq8-p11

Chapter 8, Short Questions PHYSICS Class 11 Short Questions Chapter 8 Question 1 What is the difference between progressive and stationary waves? See Answer. Question…

## progressive-and-stationary-waves

Question 1: What is the difference between progressive and stationary waves? ANSWER S No Progressive Waves Stationary Waves 1 Progressive waves are the result of…

## transverse-longitudinal-waves

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…

## frequency-and-displacement

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…

## energy-transfer-and-stationary-waves

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…

## energy-of-two-stationary-waves

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…