Chapter 8, Short Questions PHYSICS
Class 11 Short Questions
What is the difference between progressive and stationary waves?|
Clearly explain the difference between longitudinal and transverse waves.
A careful student says that he can predict the frequency of spring mass system even though he knows how far the spring stretches when the mass is hung from it. How he justifies himself?
Is there a transfer of energy through a medium when a stationary wave is produced in it, explain?|
Two wave pulses travelling in opposite directions completely cancel each other as they pass. What happens to the energy possessed by the waves?|
What are the conditions of constructive and destructive interference?|
How might one can locate the positions of nodes and antinodes in a vibrating string?|
Is it possible for an object which is vibrating transversely to produce sound waves?|
Why does a sound wave travel faster in solid than in gas?|
Why does the speed of a sound wave in a gas changes with temperature?|
Is it possible for two astronauts to talk directly to one another even if they remove their helmets?|
Estimate the frequencies t whih a test tube 15 cm long resonates when you blow across its lips?|