The periodic alternation of sound between maximum and minimum loudness are called___________________? April 17, 2025 by admin A. silence zone B. interference C. beats D. resonance
Beats are the results of____________________? April 17, 2025 by admin A. diffraction of sound waves B. constructive and destructive interference C. polarization D. destructive interference
Doppler effect applies to____________________? April 17, 2025 by admin A. sound wave only B. light wave only C. both sound and light waves D. neither sound nor light wave
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 ? April 17, 2025 by admin A. 1/4f B. 1/2f C. frequency lower than 20 Hz D. 2f
In open organ pipe___________________? April 17, 2025 by admin A. only even harmonics are present B. only odd harmonics are present C. both even and odd harmonics are present D. selected harmonics are present
The dimension of elastic modulus is ___________________ ? April 17, 2025 by admin A. ML-1T-2 B. ML-2T-2 C. MLT-2 D. ML2T-2
Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________? April 17, 2025 by admin A. Longitudinal B. Transverse C. Periodic D. both A and C
Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________? April 17, 2025 by admin A. isothermal law B. adiabatic law C. isochoric law D. all of the above
The beats frequency (sensible) for a human car is _____________________? April 17, 2025 by admin A. 42Hz B. 7 Hz C. 256Hz D. 262Hz
Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe? April 17, 2025 by admin A. One B. Two C. Four time D. None of these
