For the following question, select the correct option: What is the SI unit of pressure?

✅ A. Convex lens

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

✅ B. Convex lens

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

✅ C. Voltmeter

A voltmeter measures potential difference. Read more

✅ C. Elastic potential energy

A stretched spring stores elastic potential energy. Read more

✅ B. Elastic potential energy

A stretched spring stores elastic potential energy. Read more

✅ D. 3 × 10^8 m/s

Light travels in vacuum at approximately 3 × 10^8 meters per second. Read more

✅ B. Ohm

Electrical resistance is measured in ohms. Read more

✅ B. Convex lens

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