This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 10 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 10 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. It is the path for transmitting electric current. A) Electric Circuit. B) Circuit in Series. C) Circuit in Parallel. D) Potential Difference. Show Answer Correct Answer: A) Electric Circuit. 2. Which of the following is most likely to be the mass of a supermassive black hole? A) 100, 000, 000, 000 solar masses. B) 100 solar masses. C) 5 solar masses. D) 50 solar masses. Show Answer Correct Answer: A) 100, 000, 000, 000 solar masses. 3. An object takes a curved path when thrown or launched near the surface of the Earth? The curved path is called ..... A) Terminal Velocity. B) Trajectory. C) Free Fall. D) Gravity. Show Answer Correct Answer: B) Trajectory. 4. When light incident on a prism separates into a spectrum, we call the process A) Reflection. B) Interference. C) Diffraction. D) Dispersion. Show Answer Correct Answer: D) Dispersion. 5. The electric current flows only in one direction. A) Ohm's Law. B) Electric Current. C) Direct Current (DC). D) Alternating Current (AC). Show Answer Correct Answer: C) Direct Current (DC). 6. What is the impulse if the force is 55 N to the west for 0.55 s? A) 30.25 Ns. B) 30.25 Ns, east. C) 100 Ns, west. D) 100 Ns, east. Show Answer Correct Answer: A) 30.25 Ns. 7. The Period of revolution round the sun is maximum by which among the following planets? A) Mars. B) Earth. C) Venus. D) Mercury. Show Answer Correct Answer: A) Mars. 8. Forces can be added together only if they are? A) Acting on the same object. B) Unaffected by gravity. C) Balanced forces. D) Substantial. Show Answer Correct Answer: A) Acting on the same object. 9. A 2 C charge experiences a force of 40 N when put at a certain location in space. The electric field at that location is.. A) 2 N/C. B) 20 N/C. C) 80 N/C. D) 42 N/C. Show Answer Correct Answer: B) 20 N/C. 10. How can you increase the acceleration of an object? A) Decrease its mass. B) Increase its friction. C) Increase its mass. D) Decrease the force applied to it. Show Answer Correct Answer: A) Decrease its mass. 11. Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? A) Diffraction. B) Scattering. C) Polarization. D) Interference. Show Answer Correct Answer: B) Scattering. 12. Which of the following is the slope of velocity vs time graph? A) Acceleration. B) Displacement. C) Time. D) Velocity. Show Answer Correct Answer: A) Acceleration. 13. The electric field in a certain region of space is 30 N/C. What is the force on a 2 C charge in that space? A) 32 N. B) 15 N. C) 60 N. D) 45 N. Show Answer Correct Answer: C) 60 N. 14. The desire effect of using winglets on an aircraft's wingtips is to A) Increase the lift to drag ratio. B) Reduce the aspect ratio. C) Optimize wing dihedral and improve lateral stability. D) None of above. Show Answer Correct Answer: A) Increase the lift to drag ratio. 15. What is the unit of measurement used for current? A) Volts. B) Amps. C) Watts. D) Farads. Show Answer Correct Answer: B) Amps. 16. What would a negative value for Fe mean? A) The particles are moving away from each other. B) The particles have the same charge. C) The particles have opposite charges. D) The particles are moving towards each other. Show Answer Correct Answer: C) The particles have opposite charges. 17. A 0.12-m-radius grinding wheel takes 5.5 s to speed up from 2.0 rad/s to 11.0 rad/s. What is the wheel's average angular acceleration? A) 9.6 rad/s/s. B) 4.8 rad/s/s. C) 3.1 rad/s/s. D) 1.6 rad/s/s. Show Answer Correct Answer: D) 1.6 rad/s/s. 18. What is a non-contact force? A) A force that involves objects physically touching. B) A force that involves objects being very close. C) A force that involves objects that are not physically touching. D) None of above. Show Answer Correct Answer: C) A force that involves objects that are not physically touching. 19. How does a scientist reduce the frequency of human error and minimize a lack of accuracy? A) Take repeated measurements. B) Use the same method of measurement. C) Maintain instruments in good working order. D) All of these. Show Answer Correct Answer: D) All of these. 20. What type of image is formed when an object is placed at a distance of 1.5 focal lengths from a convex mirror? A) Inverted and virtual. B) Inverted and real. C) Erect and virtual. D) Erect and real. Show Answer Correct Answer: C) Erect and virtual. ← 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