701. For the following question, select the correct option: Which form of energy is stored in a stretched spring?
✅ B. Elastic potential energy
A stretched spring stores elastic potential energy. Read more
Physics – Page 36
702. For the following question, select the correct option: What is the unit of magnetic flux density?
✅ B. Tesla
Magnetic flux density is measured in teslas. Read more
703. For the following question, select the correct option: What is the SI unit of pressure?
✅ B. Pascal
Pressure is measured in pascals. Read more
704. For the following question, select the correct option: What instrument measures potential difference?
✅ B. Voltmeter
A voltmeter measures potential difference. Read more
705. For the following question, select the correct option: Which law states that every action has an equal and opposite reaction?
✅ B. Newton's third law
Newton's third law describes action and reaction forces. Read more
706. What is Velocity of sound m/s
✅ B. 343
707. In general knowledge terms, which simple machine is a rigid bar pivoted about a fixed point?
✅ D. Lever
A lever is a rigid bar that rotates around a fulcrum. Read more
708. In general knowledge terms, what is momentum equal to?
✅ D. Mass × velocity
Linear momentum is p = mv. Read more
709. In general knowledge terms, which phenomenon explains the bending of light when it passes between media?
✅ A. Refraction
Refraction is the change in direction of light due to a change in speed between media. Read more
710. In general knowledge terms, what is frequency measured in?
✅ A. Hertz
Frequency is measured in hertz. Read more
711. In general knowledge terms, what type of lens is thicker in the middle than at the edges?
✅ B. Convex lens
A convex lens is thicker at the center and converges parallel light rays. Read more
712. In general knowledge terms, what is the unit of electrical resistance?
✅ B. Ohm
Electrical resistance is measured in ohms. Read more
713. In general knowledge terms, what is the acceleration due to gravity near Earth’s surface approximately?
✅ D. 9.8 m/s²
Near Earth's surface, gravitational acceleration is approximately 9.8 m/s². Read more
714. In general knowledge terms, what instrument measures electric current?
✅ A. Ammeter
An ammeter measures electric current. Read more
715. In general knowledge terms, what is the SI unit of pressure?
✅ B. Pascal
Pressure is measured in pascals. Read more
716. Select the best answer: Which simple machine is a rigid bar pivoted about a fixed point?
✅ B. Lever
A lever is a rigid bar that rotates around a fulcrum. Read more
717. Select the best answer: What is momentum equal to?
✅ A. Mass × velocity
Linear momentum is p = mv. Read more
718. Select the best answer: Which phenomenon explains the bending of light when it passes between media?
✅ D. Refraction
Refraction is the change in direction of light due to a change in speed between media. Read more
719. Select the best answer: What is frequency measured in?
✅ B. Hertz
Frequency is measured in hertz. Read more
720. Select the best answer: What type of lens is thicker in the middle than at the edges?
✅ B. Convex lens
A convex lens is thicker at the center and converges parallel light rays. Read more