This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 1 (60 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) Electrostatic. B) Normal. C) Gravity. D) Magnetism. Show Answer Correct Answer: B) Normal. 3. Which of the following pairs of physical quantity and SI unit is correct? A) Temperature-SI unit:Kelvin. B) Time-SI unit:Hour. C) Electric current-SI unit:Volt. D) Mass-SI unit:Gram. Show Answer Correct Answer: A) Temperature-SI unit:Kelvin. 4. What is 1.59 x 107 g in standard notation? A) 15 900 000 g. B) 0.000 000 159 g. C) 0.000 001 59 g. D) 1 590 000 000 g. Show Answer Correct Answer: A) 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) 0.08 kg. m2. B) 1.10 kg.m2. C) 0.09 kg. m2. D) 0.99 kg. m2. Show Answer Correct Answer: A) 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) 0 J. B) 8.08 J. C) 1920.8 J. D) 1910.8 J. Show Answer Correct Answer: B) 8.08 J. 7. What variable do "Newtons" represent? A) Distance. B) Electrostatic Charge. C) Force. D) Mass. Show Answer Correct Answer: C) 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) Accuracy. B) Unit equality. C) Least count. D) Precision. Show Answer Correct Answer: A) Accuracy. 10. Two or more forces that are not equal and opposite of one another; can cause change in motion A) Unbalanced force. B) Balanced force. C) Force. D) Average speed. Show Answer Correct Answer: A) Unbalanced force. 11. UNIT OF ACCELERATION IS A) SEC. B) KG. C) METER/SEC. D) METER/SEC 2. Show Answer Correct Answer: D) METER/SEC 2. 12. When is the pendulum at maximum velocity A) At its highest point. B) It is at rest. C) At its lowest point. D) It moves at a constant velocity. Show Answer Correct Answer: C) 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) Current. B) Power. C) Resistance. D) Potential difference. Show Answer Correct Answer: D) 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) Mechanical. C) Longitudinal. D) Transverse. Show Answer Correct Answer: D) 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) 816.76 J. B) 5407.8 J. C) 72.31 J. D) 3348899 J. Show Answer Correct Answer: D) 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) 10 m/s. B) 8.66 m/s. C) 5 m/s. D) 0.88 m/s. Show Answer Correct Answer: C) 5 m/s. 21. When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly. This movement is called ..... A) Loudness. B) Amplitude. C) Pitch. D) Vibration. Show Answer Correct Answer: D) Vibration. 22. Which of the following answer contains two scalar quantities and one vector quantity? A) Time, length, mass. B) Temperature, displacement, force. C) Mass, displacement, time. D) Momentum, velocity, acceleration. Show Answer Correct Answer: A) Time, length, mass. 23. Which one is the closest approximate of the speed of light in air? A) 300 000 000 m/s. B) 300 m/s. C) 300 000 m/s. D) 3 000 000 m/s. Show Answer Correct Answer: A) 300 000 000 m/s. 24. How many units are there? A) 10. B) 11. C) 12. D) 13. Show Answer Correct Answer: A) 10. 25. A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass? A) 74.4 kg. B) 6030 kg. C) 80 kg. D) 0.0134 kg. Show Answer Correct Answer: A) 74.4 kg. 26. What is work done? A) When energy is transferred to move an object. B) When a force is applied. C) When there is a large momentum. D) None of above. Show Answer Correct Answer: A) When energy is transferred to move an object. 27. What is the base SI unit for measuring electric current? A) Kilogram (kg). B) Liter (L). C) Meter (m). D) Ampere (A). Show Answer Correct Answer: D) Ampere (A). 28. A top spinning at the rate of 10 rev/s has what approximate angular speed? A) 1.59 rad/s. B) 4.59 rad/s. C) 65.83 rad/s. D) 62.83 rad/s. Show Answer Correct Answer: D) 62.83 rad/s. 29. According to Newton, gravity was a force ..... According to Einstein, gravity is a ..... A) Curvature. B) Mystery. C) Force. D) Constant velocity. Show Answer Correct Answer: A) Curvature. 30. What law is best described by inertia? A) 1st. B) 2nd. C) 3rd. D) None of above. Show Answer Correct Answer: A) 1st. 31. What keeps an object moving in a circle? A) Centripetal acceleration. B) Centripetal force. C) Momentum. D) Inertia. Show Answer Correct Answer: D) Inertia. 32. Why does a car accelerate as it round a corner at a constant speed? A) Its speeds up. B) It doesn't. C) Its direction changes. D) It slows down. Show Answer Correct Answer: C) Its direction changes. 33. When a negatively charged balloon is placed against a non-conducting wall, positive charges in the wall are ..... A) Attracted to the balloon. B) Repelled from the balloon. C) Too bound to negative charges in the wall to have any effect. D) Neutralized. Show Answer Correct Answer: A) Attracted to the balloon. 34. What is the unit for extension? A) Cm. B) N. C) N/m. D) M. Show Answer Correct Answer: D) M. 35. The acceleration of a body become zero when velocity is A) Maximum. B) Minimum. C) Constant. D) None of above. Show Answer Correct Answer: C) Constant. 36. A branch of Physics dealing with the developments done from Renaissance to the end of the 19th century. A) Introductory Physics. B) Renaissance Physics. C) Modern Physics. D) Classical Physics. Show Answer Correct Answer: D) Classical Physics. 37. Mercury is commonly used as a thermometric fluid rather than water because A) Mercury has greater visibility than water. B) Specific heat of mercury is more than water. C) Density of mercury is more than the water. D) Specific heat of mercury is less than water. Show Answer Correct Answer: A) Mercury has greater visibility than water. 38. Which of the given angle will have the maximum height when a projectile is launched? A) 60o. B) 15o. C) 75o. D) 45o. Show Answer Correct Answer: C) 75o. 39. What happens to the size of the image formed by a concave mirror as the object is brought closer to it? A) Gets larger. B) Gets smaller. C) Remains the same. D) Becomes virtual. Show Answer Correct Answer: A) Gets larger. 40. If a car is rolling down a ramp, the force between the tires and the ramp is an example of A) Static Friction. B) Kinetic Friction. C) Balanced Force. D) Air resistance. Show Answer Correct Answer: B) Kinetic Friction. 41. Two forces of magnitude 20 N and 50 N act simultaneously on a body. Which one of the following forces cannot be a resultant of the two forces? A) 20 N. B) 70 N. C) 40 N. D) 30 N. Show Answer Correct Answer: A) 20 N. 42. Which among the following are primary colors? A) Blue, Yellow, Green. B) Yellow, Violet, Blue. C) Red, Magenta, Yellow. D) Red, Green, Blue. Show Answer Correct Answer: D) Red, Green, Blue. 43. What is the SI base unit for length? A) Second. B) Meter. C) Kilogram. D) Kilometer. Show Answer Correct Answer: B) Meter. 44. A 10 ohms resistor is powered by a 5-V battery. The current flowing through the source is A) 10 A. B) 2 A. C) 0.5 A. D) 50 A. Show Answer Correct Answer: C) 0.5 A. 45. A type of pulley that moves with the load and allows the effort to be less than the weight of the load A) Inclined plane. B) Spring scale. C) Movable pulley. D) Load. Show Answer Correct Answer: C) Movable pulley. 46. How many zero does the prefix Tera has? A) 12. B) 3. C) 6. D) 9. Show Answer Correct Answer: A) 12. 47. Orbital speed of a satellite is dependent of its mass. A) Not sured. B) True. C) False. D) May be. Show Answer Correct Answer: C) False. 48. Law of reflection state that-The angle of incidence is ..... to the angle of reflection. A) Equal. B) Double. C) Half. D) None of above. Show Answer Correct Answer: A) Equal. 49. Your home is 10km far from your school. To measure how long you take, which of the following equation will you use? A) T =d/S. B) T =S x d. C) T = d x S. D) T =S/d. Show Answer Correct Answer: A) T =d/S. 50. A boat travels 12.0 m while it reduces its velocity from 9.5 m/s to 5.5 m/s. What is the magnitude of the boat's acceleration while it travels the 12.0 m? A) 2.5 m/s2. B) 1.3 m/s2. C) 3.0 m/s2. D) 7.5 m/s2. Show Answer Correct Answer: A) 2.5 m/s2. 51. Poor precision in scientific measurement may arise from ..... A) The standard being too strict. B) Human error. C) Limitations of the measuring instrument. D) Both human error and the limitations of the measuring instrument. Show Answer Correct Answer: D) Both human error and the limitations of the measuring instrument. 52. Which of the following is an example of a vector quantity? A) Volume. B) Temperature. C) Mass. D) Acceleration. Show Answer Correct Answer: B) Temperature. 53. Which metal is commonly used for making an electromagnet? A) Cobalt. B) Copper. C) Nickel. D) Iron. Show Answer Correct Answer: D) Iron. 54. Materials where almost all light passes through is A) Opaque. B) Translucent. C) Transparent. D) Colored. Show Answer Correct Answer: C) Transparent. 55. Materials for rain-proof coats and tents owe their water-proof properties to A) Surface tension. B) Specific gravity. C) Viscosity. D) Elasticity. Show Answer Correct Answer: A) Surface tension. 56. What will happen to an object's moment of inertia if its mass is tripled while its distance from the axis of rotation remains unchanged? A) It will be 1/3 its initial value. B) It will become zero. C) It will stay the same. D) It will be tripled. Show Answer Correct Answer: D) It will be tripled. 57. Multiplying width and length, and then height with the answer will give us the A) Area. B) Density. C) Mass. D) Volume. Show Answer Correct Answer: D) Volume. 58. What quantity does the kilogram measure? A) Mass. B) Time. C) Force. D) Distance. Show Answer Correct Answer: A) Mass. 59. Which of the following is constant in the whole travel and equal to the initial launched of the projectile in motion? A) $ v_y$. B) $ V_x$. C) $ v_yi$. D) $ v_xi$. Show Answer Correct Answer: B) $ V_x$. 60. Which is not true about vector magnitude? A) Trigonometry is necessary to compute it from component vectors. B) It cannot be greater than the sums of magnitude of its component vectors. C) It is scalar quantity. D) It cannot be negative. Show Answer Correct Answer: D) It cannot be negative. Next →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books