Physics General Knowledge MCQs

46. What is the formula for force?
a) F = ma
b) F = QV
c) F = P/t
d) F = 1/2mv²

47. What is the process by which an electric current flows through a material?
a) Induction
b) Conduction
c) Radiation
d) Insulation

48. What is the formula for momentum?
a) p = mv
b) p = Fd
c) p = QV
d) p = 1/2mv²

49. What is the unit of power?
a) Watt
b) Ampere
c) Volt
d) Ohm

50. What is the formula for pressure?
a) P = F/A
b) P = QV
c) P = W/t
d) P = 1/2mv²