Physics MCQs with Explanations

Explanation

Earth’s average orbital speed around the Sun is approximately 30 kilometers per second (km/s).

Explanation

parabola is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Inverter is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Velocity is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

39.2 J is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

frequency is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

γ-rays is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Different for different isotopes is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

Sphygmomanometer is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.

Explanation

both sound and light waves is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.