Answer: Kinetic energy is the energy an object possesses due to its motion, while potential energy is the energy an object possesses due to its position or state.
2. What is the formula for electric power?
Answer: The formula for electric power (P) is P = IV, where I is the current and V is the voltage.
3. What is the difference between a series and parallel circuit?
Answer: In a series circuit, components are connected in a single path, while in a parallel circuit, components are connected in multiple paths.
4. What is the formula for work?
Answer: The formula for work (W) is W = Fd, where F is the force applied and d is the distance moved.
5. What is the difference between longitudinal and transverse waves?
Answer: In a longitudinal wave, the vibration is in the same direction as the wave propagation, while in a transverse wave, the vibration is perpendicular to the wave propagation.
6. What is the formula for electric resistance?
Answer: The formula for electric resistance (R) is R = V/I, where V is the voltage and I is the current.
7. What is the difference between a scalar and vector quantity?
Answer: A scalar quantity has only magnitude, while a vector quantity has both magnitude and direction.
8. What is the formula for centripetal force?
Answer: The formula for centripetal force (F) is F = mv^2/r, where m is the mass, v is the velocity, and r is the radius of the circular motion.
9. What is the difference between nuclear fusion and fission? Answer: Nuclear fusion is the process of combining two atomic nuclei to form a heavier nucleus, while nuclear fission is the process of splitting a heavy nucleus into two lighter nuclei.
10. What is the formula for the period of a wave?
Answer: The formula for the period (T) of a wave is T = 1/f, where f is the frequency.
11. What is the difference between velocity and acceleration?
Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
12. What is the formula for the magnification of a lens?
Answer: The formula for the magnification (M) of a lens is M = -di/do, where di is the image distance and do is the object distance.
13. What is the difference between a conductor and an insulator?
Answer: A conductor is a material that allows electric current to flow through it easily, while an insulator is a material that does not allow electric current to flow through it easily.
14. What is the formula for angular velocity?
Answer: The formula for angular velocity (ω) is ω = Δθ/Δt, where Δθ is the angular displacement and Δt is the time taken.
15. What is the difference between a photon and an electron?
Answer: A photon is a particle of electromagnetic radiation, while an electron is a subatomic particle with a negative charge.
16. What is the formula for the speed of sound?
Answer: The formula for the speed of sound (v) is v = fλ, where f is the frequency and λ is the wavelength.
17. What is the difference between a gamma ray and an X-ray?
Answer: Gamma rays are more energetic than X-rays and are produced by the decay of radioactive isotopes, while X-rays are produced by the acceleration of charged particles.
18. What is the formula for gravitational potential energy?
Answer: The formula for gravitational potential energy (PE is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height or vertical position of the object above a reference point. This formula is often used to calculate the potential energy of an object due to its position in a gravitational field, such as an object that is lifted to a certain height above the ground.
19. What is the difference between a conductor and a semiconductor?
Answer: A conductor is a material that has a low resistance to the flow of electric current, while a semiconductor has a moderate resistance to the flow of electric current.
20. What is the formula for the speed of light?
Answer: The formula for the speed of light (c) is c = λf, where λ is the wavelength and f is the frequency.
9. What is the difference between nuclear fusion and fission? Answer: Nuclear fusion is the process of combining two atomic nuclei to form a heavier nucleus, while nuclear fission is the process of splitting a heavy nucleus into two lighter nuclei.
10. What is the formula for the period of a wave?
Answer: The formula for the period (T) of a wave is T = 1/f, where f is the frequency.
11. What is the difference between velocity and acceleration?
Answer: Velocity is the rate of change of displacement, while acceleration is the rate of change of velocity.
12. What is the formula for the magnification of a lens?
Answer: The formula for the magnification (M) of a lens is M = -di/do, where di is the image distance and do is the object distance.
13. What is the difference between a conductor and an insulator?
Answer: A conductor is a material that allows electric current to flow through it easily, while an insulator is a material that does not allow electric current to flow through it easily.
14. What is the formula for angular velocity?
Answer: The formula for angular velocity (ω) is ω = Δθ/Δt, where Δθ is the angular displacement and Δt is the time taken.
15. What is the difference between a photon and an electron?
Answer: A photon is a particle of electromagnetic radiation, while an electron is a subatomic particle with a negative charge.
16. What is the formula for the speed of sound?
Answer: The formula for the speed of sound (v) is v = fλ, where f is the frequency and λ is the wavelength.
17. What is the difference between a gamma ray and an X-ray?
Answer: Gamma rays are more energetic than X-rays and are produced by the decay of radioactive isotopes, while X-rays are produced by the acceleration of charged particles.
18. What is the formula for gravitational potential energy?
Answer: The formula for gravitational potential energy (PE is PE = mgh, where m is the mass of the object, g is the acceleration due to gravity, and h is the height or vertical position of the object above a reference point. This formula is often used to calculate the potential energy of an object due to its position in a gravitational field, such as an object that is lifted to a certain height above the ground.
19. What is the difference between a conductor and a semiconductor?
Answer: A conductor is a material that has a low resistance to the flow of electric current, while a semiconductor has a moderate resistance to the flow of electric current.
20. What is the formula for the speed of light?
Answer: The formula for the speed of light (c) is c = λf, where λ is the wavelength and f is the frequency.
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