This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 29 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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. 2. 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. 3. All movement is compared with a A) Car. B) Train. C) Tree. D) Frame of reference. Show Answer Correct Answer: D) Frame of reference. 4. What is the saying that can help you remember the order of the visible spectrum? A) ROYGBIV. B) RYOBIVG. C) ROYBVIG. D) RIBYOVG. Show Answer Correct Answer: A) ROYGBIV. 5. The mathematical relationship among Voltage, Current, and Resistance A) Faraday's Law. B) Tesla's Law. C) Edison's Law. D) Ohm's Law. Show Answer Correct Answer: D) Ohm's Law. 6. 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) 32 mL. D) 320 mL. Show Answer Correct Answer: B) 5 mL. 7. What do all the types of radiation have in common? A) Amplitude. B) Speed. C) Frequency. D) Wavelength. Show Answer Correct Answer: B) Speed. 8. In a concave mirror, the size of the image depends upon A) Size of the object. B) Position of object. C) Area covered by an object. D) Shape of object. Show Answer Correct Answer: B) Position of object. 9. The formula for work is A) D = r x t. B) P = m x v. C) F = m x a. D) W = d x f. Show Answer Correct Answer: D) W = d x f. 10. 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. 11. Gas law was given by A) Boyle. B) Ostwald. C) Faraday. D) Arrhenius. Show Answer Correct Answer: A) Boyle. 12. If 2 mL of liquid weighs 4 g, its density is ..... A) 0.5 g/mL. B) 1 g/mL. C) 2 g/mL. D) 4 g/mL. Show Answer Correct Answer: C) 2 g/mL. 13. 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. 14. 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. 15. Equal forces acting on an object in opposite directions A) Force. B) Balanced force. C) Unbalanced force. D) Average speed. Show Answer Correct Answer: B) Balanced force. 16. What happens to the light ray if it strikes a plane mirror? A) Diffusely scattered. B) Plainly deflected. C) Regularly reflected. D) Irregularly reflected. Show Answer Correct Answer: C) Regularly reflected. 17. 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. 18. Which one of the following cannot be polarized? A) X-rays. B) Sound waves. C) Microwaves. D) Radio waves. Show Answer Correct Answer: B) Sound waves. 19. What is the right unit of acceleration? A) M/s. B) M/s2. C) M/m2. D) M/h. Show Answer Correct Answer: B) M/s2. 20. 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. ← PreviousNext →Related QuizzesScience QuizzesPhysics Quiz 1Physics 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