MCQ Collection
PIEAS SSC Physics MCQs
Practice PIEAS SSC Physics questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: C. second
Explanation:
The second is the SI base unit of time.
Minutes and hours are accepted non-SI units derived from it.
Choose an option to check your answer.
Correct Answer: D. Speed
Explanation:
A scalar has magnitude only.
Speed has no associated direction.
Choose an option to check your answer.
Correct Answer: A. Acceleration
Explanation:
A vector has both magnitude and direction.
Acceleration describes the rate and direction of velocity change.
Choose an option to check your answer.
Correct Answer: C. Consistency of physical equations
Explanation:
Both sides of a valid physical equation must have the same dimensions.
Dimensional analysis can reveal inconsistent formulas.
Choose an option to check your answer.
Correct Answer: D. newton
Explanation:
The newton is derived from base units as kg·m/s².
Metre, kilogram, and second are base units.
