1. The frequency of a note that is one octave higher than a note of 512 Hz is _______.   520 Hz   544 Hz   768 Hz   4096 Hz   Hint Half-n-half Clue   2. The velocity of a wave is equal to the product of the _______ and the wavelength.   time period   amplitude   frequency   Half-n-half Clue   3. The frequency of a tuning fork that vibrates 3750 times in 5 s is _______.   1000 Hz   1250 Hz   500 Hz   750 Hz   Half-n-half Clue   4. When the movement of a vibrating particle is perpendicular to the direction of the wave, it is termed _______ wave motion.   transverse   longitudinal   5. If the time period of vibration of a tuning fork is 1 / 2560 of a second, its frequency of vibration is   2816 Hz   2304 Hz   3072 Hz   2560 Hz   Half-n-half Clue   6. The maximum displacement of a vibrating body from its mean position is called _______.   frequency   time period   amplitude   Half-n-half Clue   7. A note of 500 Hz travels through a solid. If the velocity of sound in the solid is 3500 m/s, the wavelength is _______.   2 m   3.5 m   7 m   21 m   Half-n-half Clue