Constable (PHP) Everyday Science MCQs Police Department Punjab Police Department What is speed of light? February 11, 2022 Admin No Comments A: 370,000 Km/Sec B: 300,000 Km/Sec C: 350,000 Km/Sec D: 320,000 Km/Sec Correct Answer: c Short Details: Speed of sound is 343m/sec. View More Details >>
