6. What is the process by which a solid turns into a gas without passing through the liquid state called?
a) Sublimation
b) Evaporation
c) Boiling
d) Condensation
Answer: a) Sublimation
7. What is the unit of pressure?
a) Newton
b) Pascal
c) Joule
d) Ohm
Answer: b) Pascal
8. What is the law of conservation of energy?
a) Energy can be created but not destroyed
b) Energy cannot be created or destroyed, only transferred or converted from one form to another
c) Energy can be destroyed but not created
d) None of the above
Answer: b) Energy cannot be created or destroyed, only transferred or converted from one form to another
9. What is the formula for Ohm’s law?
a) V=IR
b) P=VI
c) F=ma
d) W=mg
Answer: a) V=IR
10. Which of the following is an example of a vector quantity?
a) Speed
b) Temperature
c) Acceleration
d) Energy
Answer: c) Acceleration
