Quiz 1 Flashcards
1)
Sound is a form of energy?
2)
Sound is not transmitted as a pressure wave?
4)
Audible sound lies between 20 and 20,000 Hertz?
3)
Ultrasound is audible?
5)
10^6 Hertz is 1 kilohertz?
6)
1 Kilohertz is 1,000 Hertz?
7(
1 Kilohertz is 10^3 Hertz?
8)
Velocity of sound is measured in mm?
9)
The wavelength of sound in lead at 0.5 MHz is 43mm?
10)
The wavelength of sound in Copper at 5 MHz is 0.94mm?
11)
The longitudinal velocity of sound in aluminium is 0.94 greater than the sound in steel?
12)
The longitudinal velocity of sound in steel is 4 times greater than the sound in water?
13)
Simple harmonic motion describes the way that sound is transmitted in solids?
14)
// unable to insert equation - refer to first quiz in lav book //
15)
If the answer to 14 is false, which formula is correct?