1. The time in which a vibrating body completes one vibration is called _______.   frequency   time period   amplitude   Hint Half-n-half Clue   2. The frequency of a tuning fork that vibrates 2000 times in 4 s is _______.   750 Hz   1000 Hz   250 Hz   500 Hz   Half-n-half Clue   3. The distance between two consecutive crests of a wave is called _______.   wavelength   amplitude   period   Half-n-half Clue   4. The Greek letter _______ is usually used as a symbol to denote the wavelength.   κ (kappa)   δ (delta)   λ (lambda)   Half-n-half Clue   5. The pitch of a note depends on the _______ of the vibrations.   frequency   amplitude   6. The loudness of sound depends on the _______.   frequency   amplitude   7. The effect produced in the ear due to the sound of a particular frequency is called the _______.   loudness   pitch   amplitude   Half-n-half Clue