Select the best answer: What is frequency measured in?

✅ B. Voltmeter

A voltmeter measures potential difference. Read more

✅ D. Voltmeter

A voltmeter measures potential difference. Read more

✅ A. Newton's third law

Newton's third law describes action and reaction forces. Read more

✅ A. ½mv²

Kinetic energy is one-half mass times velocity squared. Read more

✅ A. Mass × velocity

Linear momentum is p = mv. Read more

✅ D. 9.8 m/s²

Near Earth's surface, gravitational acceleration is approximately 9.8 m/s². Read more

✅ B. Convex lens

A convex lens is thicker at the center and converges parallel light rays. Read more

✅ B. Pascal

Pressure is measured in pascals. Read more