11. What is the unit of power?
a) Watt
b) Joule
c) Newton
d) Ohm
Answer: a) Watt
12. What is the formula for kinetic energy?
a) KE = 1/2mv²
b) KE = mgh
c) KE = Fd
d) KE = QV
Answer: a) KE = 1/2mv²
13. What is the formula for gravitational potential energy?
a) GPE = 1/2mv²
b) GPE = mgh
c) GPE = Fd
d) GPE = QV
Answer: b) GPE = mgh
14. What is the process by which light is bent as it passes through a medium?
a) Reflection
b) Refraction
c) Diffraction
d) Interference
Answer: b) Refraction
15. What is the formula for work?
a) W = mg
b) W = Fd
c) W = QV
d) W = 1/2mv²
Answer: b) W = Fd
