physics quiz

 NDA PHYSICS QUIZ What is the unit for measuring the amplitude of a sound? (A) Decibel (B) Coulomb (C) Hum (D) Cycles One nanometer is equal to (A) 10-6 m (B) 10-8 m (C) 10-9 m (D) 10-5 m One fathom is equal to (A) 6 feet (B) 6 meters (C) 60 feet (D) 100 cm Light year is […]