1. The number of vibrations produced by a vibrating body in one second is called _______.   frequency   time period   amplitude   Hint Half-n-half Clue   2. The time in which a vibrating body completes one vibration is called _______.   frequency   amplitude   time period   Half-n-half Clue   3. The loudness of sound depends on the _______.   frequency   amplitude   4. The velocity of a wave is equal to the product of the _______ and the wavelength.   time period   amplitude   frequency   Half-n-half Clue   5. The Greek letter _______ is usually used as a symbol to denote the wavelength.   λ (lambda)   κ (kappa)   δ (delta)   Half-n-half Clue   6. The frequency of a tuning fork that vibrates 5000 times in 5 s is _______.   750 Hz   1250 Hz   1500 Hz   1000 Hz   Half-n-half Clue   7. The effect produced in the ear due to the sound of a particular frequency is called the _______.   amplitude   pitch   loudness   Half-n-half Clue