This quiz works best with JavaScript enabled. Home > General Knowledge > Science > Physics > Physics – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 10 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following is a vector quantity? A) 24 km. B) 15 lightyears. C) 20 m West. D) 12 kg. Show Answer Correct Answer: C) 20 m West. 2. The pressure of a fluid depends on all of the following, except A) Gravitational acceleration(g). B) Density $ \rho$. C) Depth $ \Delta h$. D) Temperature (T). Show Answer Correct Answer: D) Temperature (T). 3. One meter is ..... cm. A) 0.010cm. B) 100cm. C) 0.10cm. D) 10cm. Show Answer Correct Answer: B) 100cm. 4. A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1, crown glass n=1.532) A) 39.7 degrees. B) 19.2 degrees. C) 12.3 degrees. D) 59.1 degrees. Show Answer Correct Answer: B) 19.2 degrees. 5. It is the amount of heat needed to raise the temperature of 1 kg of a substance by 1 $^ \circ$C. A) Heat of fusion. B) Thermal conductivity. C) Molar heat capacity. D) Specific heat. Show Answer Correct Answer: D) Specific heat. 6. A 5 C and 8 C charge give off a force of 2.5 x 109 N. What is the distance between them? A) 11 m. B) 121 m. C) 144 m. D) 12 m. Show Answer Correct Answer: D) 12 m. 7. What is the unit for frequency? A) Newton, N. B) Hertz, Hz. C) Metre, m. D) Metre per second, m/s. Show Answer Correct Answer: B) Hertz, Hz. 8. You apply a force of? to a wheelbarrow and moved it 6 m resulting in 48 J of work. How much force did you do on the dresser? A) 8 N. B) 288 J. C) 288 N. D) 8 J. Show Answer Correct Answer: A) 8 N. 9. Which of the following is the most likely to be the mass of a stellar-mass black hole? A) 100, 000, 000 solar masses. B) .1 solar masses. C) 25 solar masses. D) 1 solar mass. Show Answer Correct Answer: C) 25 solar masses. 10. What is the independent variable in an experiment? A) The thing we keep the same. B) The thing we change or test. C) The normal situation. D) What we measure in the end. Show Answer Correct Answer: B) The thing we change or test. 11. When a car is running along a rough road, what force really is causing it to run forward? A) Force of the tires on the road. B) Force of wind on the car. C) Force of the engine. D) Force of the road on the tires. Show Answer Correct Answer: D) Force of the road on the tires. 12. A toy car is rolling down a ramp. What force(s) between the tires and the ramp tend(s) to oppose the toy car's motion? A) Air resistance. B) Kinetic Friction. C) Both kinetic friction and air resistance. D) Component force of gravity along the ramp. Show Answer Correct Answer: C) Both kinetic friction and air resistance. 13. Solar eclipse will take place when A) The moon is between the sun and the earth. B) The sun is between the moon and the earth. C) The earth is between the moon and the sun. D) The moon does not lie on the line joining the sun and the earth. Show Answer Correct Answer: A) The moon is between the sun and the earth. 14. All movement is compared with a A) Tree. B) Train. C) Car. D) Frame of reference. Show Answer Correct Answer: D) Frame of reference. 15. What is the saying that can help you remember the order of the visible spectrum? A) RIBYOVG. B) ROYBVIG. C) RYOBIVG. D) ROYGBIV. Show Answer Correct Answer: D) ROYGBIV. 16. The mathematical relationship among Voltage, Current, and Resistance A) Tesla's Law. B) Faraday's Law. C) Ohm's Law. D) Edison's Law. Show Answer Correct Answer: C) Ohm's Law. 17. If the density of a substance is 8 g/mL, what volume would 40 g of the substance occupy? A) 0.2 mL. B) 5 mL. C) 320 mL. D) 32 mL. Show Answer Correct Answer: B) 5 mL. 18. What do all the types of radiation have in common? A) Speed. B) Frequency. C) Amplitude. D) Wavelength. Show Answer Correct Answer: A) Speed. 19. In a concave mirror, the size of the image depends upon A) Size of the object. B) Area covered by an object. C) Shape of object. D) Position of object. Show Answer Correct Answer: D) Position of object. 20. The formula for work is A) P = m x v. B) D = r x t. C) W = d x f. D) F = m x a. Show Answer Correct Answer: C) W = d x f. 21. Stars appears to move from east to west because A) All stars move from east to west. B) The earth rotates from east to west. C) The earth rotates from west to east. D) The background of the stars moves from west to east. Show Answer Correct Answer: C) The earth rotates from west to east. 22. Gas law was given by A) Arrhenius. B) Boyle. C) Ostwald. D) Faraday. Show Answer Correct Answer: B) Boyle. 23. If 2 mL of liquid weighs 4 g, its density is ..... A) 4 g/mL. B) 1 g/mL. C) 0.5 g/mL. D) 2 g/mL. Show Answer Correct Answer: D) 2 g/mL. 24. When a mass of 25 g is attached to a certain spring, it makes 20 complete vibrations in 4.0 s. What is the spring constant of the spring? A) 25 N/m. B) 30 N/m. C) 42 N/m. D) None of above. Show Answer Correct Answer: A) 25 N/m. 25. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to A) Hysteresis loss alone. B) Intense sunlight at noon. C) The heating effect of current alone. D) Both the heating effect of current and hysteresis loss. Show Answer Correct Answer: D) Both the heating effect of current and hysteresis loss. 26. Equal forces acting on an object in opposite directions A) Force. B) Unbalanced force. C) Balanced force. D) Average speed. Show Answer Correct Answer: C) Balanced force. 27. What happens to the light ray if it strikes a plane mirror? A) Plainly deflected. B) Irregularly reflected. C) Regularly reflected. D) Diffusely scattered. Show Answer Correct Answer: C) Regularly reflected. 28. Which of the following affects the motion of a projectile launched horizontally? A) Final velocity. B) Initial velocity. C) Mass. D) Maximum height. Show Answer Correct Answer: B) Initial velocity. 29. Which one of the following cannot be polarized? A) Radio waves. B) X-rays. C) Sound waves. D) Microwaves. Show Answer Correct Answer: C) Sound waves. 30. What is the right unit of acceleration? A) M/s2. B) M/s. C) M/m2. D) M/h. Show Answer Correct Answer: A) M/s2. 31. The amount of heat transferred to a system can be measured in A) Calories and grams. B) Joules and calories. C) Degrees Celsius and calories. D) Kilograms and joules. Show Answer Correct Answer: B) Joules and calories. 32. The amount of charge carried by a lightning bolt is estimated at 10 Coulombs. What quantity of excess electrons is carried by the lightning bolt? A) 10 electrons. B) 0 electron. C) 6.25 x 1019 electrons. D) 1 electron. Show Answer Correct Answer: C) 6.25 x 1019 electrons. 33. Mirage is due to A) Depletion of ozone layer in the atmosphere. B) Magnetic disturbances in the atmosphere. C) Equal heating of different parts of the atmosphere. D) Unequal heating of different parts of the atmosphere. Show Answer Correct Answer: D) Unequal heating of different parts of the atmosphere. 34. If two traveling light waves are "180$^ \circ$ " out of phase, then the interaction between them is A) Complete destructive diffraction. B) Complete destructive interference. C) Complete constructive interference. D) Complete constructive diffraction. Show Answer Correct Answer: B) Complete destructive interference. 35. It is the energy possessed by moving objects. A) Mechanical energy. B) Kinetic energy. C) Gravitational energy. D) Potential energy. Show Answer Correct Answer: B) Kinetic energy. 36. It is a flow of electric charge. A) Alternating Current (AC). B) Electric Current. C) Direct Current (DC). D) Ohm's Law. Show Answer Correct Answer: B) Electric Current. 37. During a front impact collision of two unequally sized vehicles going at the same speed, a passenger in a larger vehicle will experience ..... force. A) More. B) Less. C) Equal. D) Random. Show Answer Correct Answer: B) Less. 38. Which of the following is the correct SI unit of temperature? A) Kelvin. B) Celsius. C) Rankine. D) Fahrenheit. Show Answer Correct Answer: A) Kelvin. 39. If a neutral atom has 22 protons in its nucleus, the number of surrounding electrons is A) More than 22. B) 22. C) Unknown. D) Less than 22. Show Answer Correct Answer: B) 22. 40. For a system in simple harmonic motion, which of the following is the number of cycles or vibrations per unit of time? A) Revolution. B) Period. C) Frequency. D) Amplitude. Show Answer Correct Answer: C) Frequency. 41. If two objects collide and stick together, what will happen to their overall momentum? A) Momentum will decrease. B) Momentum will increase. C) Momentum will stay the same. D) None of the above. Show Answer Correct Answer: C) Momentum will stay the same. 42. When scientists are looking for black holes they look for large sources of what type of light that is emitted from the area surrounding the black hole? A) X-ray. B) Visible. C) Gamma ray. D) Infrared. Show Answer Correct Answer: A) X-ray. 43. What is at the center of most (maybe all) galaxies? A) Stellar mass black hole. B) Quasar. C) Neutron Star. D) Supermassive black hole. Show Answer Correct Answer: D) Supermassive black hole. 44. The following are examples of derived quantities EXCEPT A) Electrical current. B) Energy. C) Power. D) Momentum. Show Answer Correct Answer: A) Electrical current. 45. An object has a net force of 0 N. This is an example of what kind of force? A) Action-reaction. B) Unbalanced. C) Gravity. D) Balanced. Show Answer Correct Answer: D) Balanced. 46. The same sound will seem louder if it travels through which of the following? A) Solids, liquids, or gases will sound the same. B) Liquids. C) Solid materials. D) Air. Show Answer Correct Answer: C) Solid materials. 47. The loudness of a sound is called ..... A) The volume. B) The sound wave. C) The pitch. D) The amplitude. Show Answer Correct Answer: A) The volume. 48. What SI unit is used to measure electric current? A) Kelvin. B) Amperes. C) Mole. D) Seconds. Show Answer Correct Answer: B) Amperes. 49. When is the pendulum at 0 velocity A) At its lowest point. B) It moves at a constant velocity. C) It is at rest. D) At its highest point. Show Answer Correct Answer: D) At its highest point. 50. The ability of a component or circuit to collect and store energy in the form of an electric charge. A) Capacitance. B) Dielectric Strength. C) Permittivity of free space. D) Capacitors. Show Answer Correct Answer: A) Capacitance. 51. The size of the image is always smaller than the object in A) Plane mirror. B) Concave mirror. C) Convex mirror. D) Silver mirror. Show Answer Correct Answer: C) Convex mirror. 52. A bike travels at a constant speed of 4 m/s for 5 seconds. How far does it go? A) 4 m. B) 20 m. C) 1.5 m. D) 10 m. Show Answer Correct Answer: B) 20 m. 53. Pushing on a wall is an example of which law of motion? A) Fourth. B) First. C) Second. D) Third. Show Answer Correct Answer: D) Third. 54. The horizontal number line in a graph A) Pie graph. B) Line graph. C) Y-axes. D) X-axis. Show Answer Correct Answer: D) X-axis. 55. A small steel ball is dropped from a low balcony. Ignoring air resistance, which statement describes its motion? A) It falls with decreasing acceleration. B) It falls with constant acceleration. C) It falls with decreasing speed. D) It falls with constant speed. Show Answer Correct Answer: B) It falls with constant acceleration. 56. The science of Physics is concerned with which of the following matters? A) Applying physics principles. B) Describing the physical world. C) Making predictions about a broad range of phenomena. D) All of these. Show Answer Correct Answer: D) All of these. 57. Lognitudinal waves and Transverse waves are types of? A) Mechanical waves. B) Non-Mechanical waves. C) Both of above. D) None of Above. Show Answer Correct Answer: A) Mechanical waves. 58. It is any number that is used to describe physical phenomenon quantitatively. A) Physical quantity. B) Scalar quantity. C) Base quantity. D) Derived quantity. Show Answer Correct Answer: A) Physical quantity. 59. What happens when two polarizing filters are placed so that their axes of polarization are perpendicular to each other? A) Transmitted light is slightly weaker. B) There is no transmitted light. C) Transmitted light is polarized. D) Transmitted light oscillates in all directions. Show Answer Correct Answer: A) Transmitted light is slightly weaker. 60. Which of the statements is NOT correct about pressure? A) Pressure acts in all directions. B) Pressure does not depend on the density of liquid. C) Pressure does not depend on the shape of the container. D) Atmospheric pressure is greater at sea level. Show Answer Correct Answer: B) Pressure does not depend on the density of liquid. ← PreviousNext →Related QuizzesScience QuizzesGeneral Knowledge QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 5Physics Quiz 6Physics Quiz 7Physics Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books