A. 313°C
B. 586°C
C. 819°C
D. 1172°C
A. 20000 to 30000 hertz
B. 10 to 20 hertz
C. 2000 to 4000 hertz
D. 6000 to 8000 hertz
The normal ear is the most sensitive in the frequency range___________________? Read More »
Physics Mcqs, Waves A. increases
B. decreases
C. remains unchanged
D. may increase or decrease
On loading the prong of a tuning form with wax its frequency____________________? Read More »
Physics Mcqs, Waves A. 1.61 ms-1
B. 61.0 ms-1
C. 0.61 ms-1
D. 2.00 ms-1
A. they are transverse waves
B. they are stationary waves
C. they require material medium for propagation
D. they do not have enough energy
Sound waves do not travel in vacuum because ___________________? Read More »
Physics Mcqs, Waves A. refraction
B. polarization
C. interference
D. diffraction
A. decreases
B. increases
C. remains the same
D. any of above
If stretching force T of wire increases, then its frequency __________________? Read More »
Physics Mcqs, Waves A. decreases
B. increases
C. remains unchanged
D. becomes zero
A. matter waves
B. electromagnetic waves
C. carrier waves
D. mechanical waves
A. Dopplers effect
B. Interference of waves
C. Beats phenomena
D. All of these
