MCQ Collection
EJU Physics MCQs
Practice EJU Physics questions with answers and explanations.
Choose an option to check your answer.
Correct Answer: A. 84 m
Explanation:
Distance = speed × time.
Choose an option to check your answer.
Correct Answer: A. 12 m/s
Explanation:
Wave speed v=fλ.
Choose an option to check your answer.
Correct Answer: A. 0.857143 A
Explanation:
Ohm’s law: I=V/R.
Choose an option to check your answer.
Correct Answer: C. 3.26667 °C
Choose an option to check your answer.
Correct Answer: B. It remains constant
Explanation:
Total momentum is conserved in an isolated system.
Choose an option to check your answer.
Correct Answer: B. 2.4 A
Explanation:
Ohm’s law: I=V/R.
Choose an option to check your answer.
Choose an option to check your answer.
Correct Answer: A. It remains constant
Explanation:
Total momentum is conserved in an isolated system.
Choose an option to check your answer.
Correct Answer: D. Its frequency increases
Explanation:
The Doppler effect raises observed frequency for an approaching source.
Choose an option to check your answer.
Choose an option to check your answer.
Correct Answer: A. 202.5 J
Choose an option to check your answer.
Correct Answer: A. 72 m
Explanation:
Distance = speed × time.
