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Practise LUMS LCAT Physics most repeated MCQs in sets of about 20 questions with instant answers and explanations. This page focuses on high-yield questions that appear most often in the real paper, helping you build accuracy and speed for the actual LUMS LCAT paper.
Q1. The current in an AC circuit is given by I = 10 sin(100t). The frequency is
Answer: 50 / π Hz
Q2. A series LCR circuit has R = 10 ohm, L = 0.1 H, and C = 100 μF. If the frequency of the AC source is 50 Hz, what is the impedance?
Answer: 10 ohm
Q3. How many significant figures in 100.0?
Answer: 4
Q4. What are the dimensions of force?
Answer: MLT⁻²
Q5. The power factor of an AC circuit is 0.5. The phase difference between voltage and current is
Answer: π / 3
Most Repeated Physics MCQs are high-yield questions that appear most often in the real paper. On Imtehan they are grouped into short sets so you can review one topic at a time before moving to timed mocks.
Imtehan organises LUMS LCAT Physics questions into multiple sets. Start with the sample questions below, then open a set to practise interactively with scoring and explanations.
Yes — you can practise LUMS LCAT Physics MCQs for free on Imtehan. Premium unlocks detailed analytics and unlimited mock attempts.
All LUMS LCAT Physics modes · ENGINEERING exam guide · LUMS LCAT subjects