Definition of perk. intransitive verb. 1a : to thrust up the head, stretch out the neck, or carry the body in a bold or insolent mannerb : to stick up or out jauntily. 2 : to gain in vigor or cheerfulness especially after a period of weakness or depression âusually used with up he's perked up noticeably.
Quick Answer. Light travels at a considerably higher speed than sound. Light travels at a constant speed of 186,000 miles per second, but the speed of sound is only 761.2 mph.
Speed of light in vacuum is 299792458 m/s or 983571056.43045 ft/s. Speed of sound in air of 20Â°C or 68Â°Fahrenheit is 343 m/s or 1125.32808 ft/s. You see that light is 87403 â¦ 0 times faster than sound.