1. The frequency of a tuning fork that vibrates 3750 times in 3 s is _______.   1500 Hz   1000 Hz   1750 Hz   1250 Hz   Hint Half-n-half Clue   2. A note of 250 Hz travels through a solid. If the velocity of sound in the solid is 4000 m/s, the wavelength is _______.   1 m   8.0 m   16 m   24 m   Half-n-half Clue   3. The number of vibrations produced by a vibrating body in one second is called _______.   amplitude   time period   frequency   Half-n-half Clue   4. The loudness of sound depends on the _______.   amplitude   frequency   5. The effect produced in the ear due to the sound of a particular frequency is called the _______.   loudness   pitch   amplitude   Half-n-half Clue   6. The maximum displacement of a vibrating body from its mean position is called _______.   time period   amplitude   frequency   Half-n-half Clue   7. The time in which a vibrating body completes one vibration is called _______.   frequency   time period   amplitude   Half-n-half Clue