This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 1 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If the resistance in a circuit with constant voltage increases, the current will A) Increase. B) Decrease. C) Its stays the same. D) Not eneough information. Show Answer Correct Answer: B) Decrease. 2. Which of the following is not non-contact force A) Normal. B) Gravity. C) Magnetism. D) Electrostatic. Show Answer Correct Answer: A) Normal. 3. Which of the following pairs of physical quantity and SI unit is correct? A) Mass-SI unit:Gram. B) Time-SI unit:Hour. C) Electric current-SI unit:Volt. D) Temperature-SI unit:Kelvin. Show Answer Correct Answer: D) Temperature-SI unit:Kelvin. 4. What is 1.59 x 107 g in standard notation? A) 0.000 000 159 g. B) 1 590 000 000 g. C) 15 900 000 g. D) 0.000 001 59 g. Show Answer Correct Answer: C) 15 900 000 g. 5. A 20-kg uniform sphere with the length of 0.1 m. The axis of rotation located at the center of the sphere. What is the moment of inertia? A) 0.99 kg. m2. B) 0.08 kg. m2. C) 0.09 kg. m2. D) 1.10 kg.m2. Show Answer Correct Answer: B) 0.08 kg. m2. 6. A 10-g guava freely falling from a tree has a speed of 19.6 m/s. If its total mechanical energy is 10 J, how much gravitational potential energy does the guava have? A) 8.08 J. B) 1920.8 J. C) 1910.8 J. D) 0 J. Show Answer Correct Answer: A) 8.08 J. 7. What variable do "Newtons" represent? A) Electrostatic Charge. B) Force. C) Distance. D) Mass. Show Answer Correct Answer: B) Force. 8. The temperature to which hund our must he cooled at constant pressure to become saturated is called A) Dew point. B) Absolute humidity. C) Relative humidity. D) None of above. Show Answer Correct Answer: A) Dew point. 9. It refers to the closeness of a measured value to a standard or known value A) Precision. B) Least count. C) Unit equality. D) Accuracy. Show Answer Correct Answer: D) Accuracy. 10. Two or more forces that are not equal and opposite of one another; can cause change in motion A) Force. B) Balanced force. C) Unbalanced force. D) Average speed. Show Answer Correct Answer: C) Unbalanced force. 11. UNIT OF ACCELERATION IS A) METER/SEC. B) METER/SEC 2. C) KG. D) SEC. Show Answer Correct Answer: B) METER/SEC 2. 12. When is the pendulum at maximum velocity A) At its lowest point. B) At its highest point. C) It moves at a constant velocity. D) It is at rest. Show Answer Correct Answer: A) At its lowest point. 13. The law of reflection applies to A) Only partially reflected waves. B) Only totally reflected waves. C) Only normal waves. D) Both partially and totally reflected waves. Show Answer Correct Answer: D) Both partially and totally reflected waves. 14. Voltmeter is a device to measure A) Power. B) Current. C) Potential difference. D) Resistance. Show Answer Correct Answer: C) Potential difference. 15. What is derived quantities? A) A tendency to do nothing or to remain unchanged. B) Combination of two or more base quantities. C) The quantity of motion of a moving body, measured as a product of its mass and velocity. D) None of above. Show Answer Correct Answer: B) Combination of two or more base quantities. 16. Which is not an example of elastic potential energy? A) Trampolines. B) Bungee cords. C) Rubber bands. D) Harness. Show Answer Correct Answer: D) Harness. 17. The event horizon of a black hole is ..... A) A surface. B) A location. C) Matter. D) None of above. Show Answer Correct Answer: B) A location. 18. Which type of waves do the particles vibrate perpendicular to the energy? A) Surface. B) Transverse. C) Mechanical. D) Longitudinal. Show Answer Correct Answer: B) Transverse. 19. With an elevation of 5334m above sea level, the village of Aucanquilca, Chile is the highest inhabited town in the world. What would be the gravitational potential energy associated with a 64kg person in Aucanquilca? A) 3348899 J. B) 5407.8 J. C) 816.76 J. D) 72.31 J. Show Answer Correct Answer: A) 3348899 J. 20. The ball is thrown into the air with initial velocity of 10 m/s at an angle of 30 degree, what is the initial velocity of the ball along the vertical direction? A) 0.88 m/s. B) 5 m/s. C) 8.66 m/s. D) 10 m/s. Show Answer Correct Answer: B) 5 m/s. Next →Related QuizzesScience QuizzesPhysics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9Physics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books