Related InterviewSolutions

• A particle executed SHM iwht a time period of 3s and amplitude 6cm. Find (i) displacement (ii) velocity and (iii) acceleration, after `1//2` second, starting from the mean position.
• A particle performs harmonic oscillations along a straight line with a period of 6s and amplitude 4 cm. The mean velocity of the particle averaged over the time interval during which it travels a distance of 2 cm starting from the extreme position isA. `1cms^(-1)`B. `2cms^(-1)`C. `4cms^(-1)`D. `8cms^(-1)`
• A body executed SHM of time period 6s. If its mass be 0.1kg, its velocity, 1s after it passes throuh mean position be `3ms^(-1)`, find its (i) KE (ii) PE and (iii) total energy.
• Two air columns of resonance appatus, 100cm and 101 cm long give 17 beats in 20 second, when each is sounding its fundamental mode. Calculate the velocity of sound.
• Two factories are sounding their sirens at 800 Hz. A man goes from one factory to the other at a speed of 2 m/s. The velocity of sound is 320 m/s. The number of beats heard by the person is 1 s will be
• If tension of a sire is increased to four times, how is the wave speed changed?
• A string is vibrating in n loops. The numbers of nodes and anitnodes respectively areA. `n,n`B. `(n+1),n`C. `n,(n-1)`D. `(n-1),n`
• An open organ pipe is closed at one end. How will the frequency of fundamental note of pipe change?
• The temperature coefficient of velocity of sound in air isA. `1m//s//^(@)C`B. `0.61m//s//^(@)F`C. `1m//s//K`D. `0.61m//s//K`
• The changes in pressure an volume of air, when sound wave passes through air areA. isothermalB. isobaricC. isovolumicD. adiabatic