Appraisal Meaning in Hindi. There are total 2 hindi meaning and definitions have been listed for the english word 'appraisal'. Its first meaning is 'à¤à¤à¥à¤¨à¤¿-à¤ªà¤°à¥à¤à¥à¤·à¤¾' which can be transliterated into english as 'agni-pariksha'.
Confidence votes 7. The highness or lowness of a sound is determined by its frequency, measured in Hertz. (Hz) The lower a sound is, the more distance it can travel. A low sound is felt as well as heard. (Hence, the term Feel the Bass.) The higher a sound is, the less distance it can travel.
3. Characteristics of Sound A sound can be characterized by the following three quantities: (i) Pitch. (ii) Quality. (iii) Loudness. Pitch is the frequency of a sound as perceived by human ear. A high frequency gives rise to a high pitch note and a low frequency produces a low pitch note. Figure 2 shows the frequencies of same common sounds.