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.
Sound level, loudness, and sound pressure are not the same things. There are variations in individual perception of the strength of sound. The sound pressure measured twice as much gives 6 dB more level. The sound perceived twice as loud needs roughly an increase in sound level by 10 dB.ound level, loudness, and sound pressure are not the same things. There are variations in individual perception of the strength of sound. The sound pressure measured twice as much gives 6 dB more level. The sound perceived twice as loud needs roughly an increase in sound level by 10 dB.