61. What is the formula for torque?
a) T = Fd
b) T = QV
c) T = Frsinθ
d) T = 1/2mv²
Answer: c) T = Frsinθ
62. Which type of electromagnetic radiation has the shortest wavelength?
a) Infrared radiation
b) X-rays
c) Gamma rays
d) Ultraviolet radiation
Answer: c) Gamma rays
63. What is the formula for Ohm’s Law?
a) V = IR
b) I = R/V
c) R = V/I
d) V = I/R
Answer: d) V = I/R
64. Which type of energy is produced by the vibration of particles in a medium?
a) Electrical energy
b) Nuclear energy
c) Mechanical energy
d) Chemical energy
Answer: c) Mechanical energy
65. What is the process by which a gas turns into a liquid?
a) Vaporization
b) Sublimation
c) Melting
d) Condensation
Answer: d) Condensation