Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe? A. OneB. Two C. Four time D. None of these
The beats frequency (sensible) for a human car is _____________________? A. 42HzB. 7 Hz C. 256Hz D. 262Hz
Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________? A. isothermal lawB. adiabatic law C. isochoric law D. all of the above
Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________? A. Longitudinal B. Transverse C. PeriodicD. both A and C
The dimension of elastic modulus is ___________________ ? A. ML-1T-2 B. ML-2T-2 C. MLT-2 D. ML2T-2
In open organ pipe___________________? A. only even harmonics are present B. only odd harmonics are presentC. both even and odd harmonics are present D. selected harmonics are present
A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ? A. 1/4f B. 1/2fC. frequency lower…
Doppler effect applies to____________________? A. sound wave only B. light wave onlyC. both sound and light waves D. neither sound nor light wave
Beats are the results of____________________? A. diffraction of sound wavesB. constructive and destructive interference C. polarization D. destructive interference
The periodic alternation of sound between maximum and minimum loudness are called___________________? A. silence zone B. interferenceC. beats D. resonance