The wavelengths of the sounds produced by two horns are 6.0 m and 7.0 m, respectively. What beat frequency is heard when the horns are sounded on a day when the speed of sound is 340 m/s?
A) 5 Hz
B) 6 Hz
C) 7 Hz
D) 8 Hz
D
You might also like to view...
What is the angular separation of the two second-order spectral lines having wavelengths 417 nm and 388 nm using a diffraction grating having 456 lines/mm?
A) 1.63° B) 1.52° C) 0.815° D) 3.26°
The lattice parameter of CsCl is 0.4123 nm. Calculate the density of CsCl.
What will be an ideal response?
An electron has an initial velocity to the south but is observed to curve upward as the result of a magnetic field. This magnetic field must have a component
A) to the west. B) to the east. C) upward. D) downward. E) to the north.
Which one of the following is the correct representation of the relationship between the speed of a wave (v), frequency of the wave (f), and its wavelength (?)?
A) v = 2? B) v = 2f C) v = ?/f D) v = f? E) v = f/?