MSN (stylized as msn) is a web portal and related collection of Internet services and apps for Windows and mobile devices, provided by Microsoft and launched on August 24, 1995, the same release date as Windows 95.
Confidence votes 20. Violet has the highest frequency in the visible spectrum. Red has the lowest. Violet has a frequency of about 790 terahertz and a wavelength of about 380 nanometers. Red has a frequency of about 400 terahertz and a wavelength of about 760 nanometers.
High frequency sounds are usually shrill like a whistle whereas low frequency sounds are more like the deep hum of an amplified bass instrument. The highest frequency that most humans can hear is 20,000 cycles per second or 20,000 Hz. This limit gets lower as humans age. Older people generally donât have as large of a hearing range as younger people.