ARDMS SPI EXAM LATEST REAL EXAM 200 QUESTIONS AND CORRECT ANSWERS|AGRADE

ARDMS SPI EXAM LATEST REAL EXAM 200 QUESTIONS AND CORRECT ANSWERS|AGRADE
When the direction of the wave propagation is parallel to the particle motion of the
medium, the wave being transmitted is called a:
A) surface wave.
B) longitudinal wave.
C) transverse wave.
D) non-linear sound. - ANSWER>> B) longitudinal wave
If the sound beam attenuated 6 dB, what will happen to the overall intensity?
A) Quadrupled
B) Doubled
C) Halved
D) Quartered - ANSWER>> D) Quartered
Frequency increased from 3 MHz to 6 MHz, what will happen to wavelength?
A) Doubled
B) Quadrupled
C) Halved
D) Quartered - ANSWER>> C) Halved
Intensity is equal to:
A) power/area
B) propagation speed/frequency
C) density x propagation speed