(Physics 2022) Model past questions and answers

Hi scholar, do not bounce out so soon. Didn't you search 'UTME/Jamb past question and answer for Physics'? Good! now, why do you want to bounce out?. Don't do that, smiles...You see poscholars have compiled Physics past questions and answers to aid your learning. Before you write the exam, you have to familiarise youself with patterns on how Jamb sets Physics UTME. Once you have familiarise yourself, then you are good to go. For example, Jamb sets 40 question for their UTME exams. If you chose Physics as one of your UTME subject combination, then you are good to go. You can study the 40 (forty) Jamb Physics past questions and answers for 2022 by checking the content below or using the table of content below to navigate to the number of your choice

1. The force that pushes a body in a liqiud upwards is called (a) Upthrust (b) Weight (c) Thrust (d) Viscosity The correct answer is: (a) Upthrust 2. The fundamental frequency of the diagram below is _____ (a) $f_0 = \frac{v}{2l}$ (b) $f_0 = \frac{v}{3l}$ (c) $f_0 = \frac{v}{4l}$ (d) $f_0 = \frac{2v}{3l}$ The correct answer is: (c) $f_0 = \frac{v}{4l}$ 3. In the diagram, x represents the _____ (a) Frequency (b) Resonance frequency (c) Amplitude (d) Altitude The correct answer is: (b) Resonance frequency 4. Which of the following remains unchanged when light travels from one medium to another (a) Frequency (b) Velocity (c) Wavelength (d) None The correct answer is: (a) Frequency 5. Which of the following instruments is used for measuring the thickness of potentiometer wire? (a) Vernier calliper (b) Micrometer screw gauge (c) Metre rule (d) A pair of caliper The correct answer is: (b) Micrometer screw gauge 6. A machine has a velocity ratio 8 and efficiency 80%. What is its mechanical advantage? (a) 8 (b) 10 (c) 6.4 (d) 2.5 The correct answer is: (c) 6.4 7. The escape velocity of a body on earth is 1100m/s. The body has an acceleration due to gravity of the same value on earth and in another planet. What is the velocity on the other planet if the distance on the planet is twice its distance on earth? (a) 1.1km/s (b) 1.6km/s (c) 2.2km/s (d) 1.8km/s The correct answer is: (b) 1.6km/s 8. The half life of a substance is 2 days. What fraction will remain after 8days? (a) $\frac{1}{2}$ (b) $\frac{1}{4}$ (c) $\frac{1}{8}$ (d) $\frac{1}{16}$ The correct answer is: (d) $\frac{1}{16}$ 9. Which of the following is used in radioactive dating? (a) Carbon - 14 (b) Carbon - 12 (c) Cobalt - 60 (d) None The correct answer is: (b) Carbon - 12 10. An object is projected at $30^o$ to the horizontal with a velocity of 20m/s. What is the maximum height attained? [$g = 10m/s^{2}$] (a) 10m (b) 20m (c) 5m (d) 2m The correct answer is: (a) It can be used to convert Alternating Current (AC) to direct current (DC)

11. One of the following is a secondary cell (a) Dry cell (b) Lead acid accumulator (c) Daniel cell (d) Leclanche cell The correct answer is: (b) Lead acid accumulator 12. The pressure of 1 bar is equivalent to (a) 10 Pa (b) 1000 Pa (c) 10 000 Pa (d) 100 000 Pa The correct answer is: (d) 100 000 Pa 13. Which of the following has no effect on the sensitivity of a galvanometer? (a) The number of turns in the coil *(b) The strength of the magnetic field (c) Gaps between the coils (d) The area of the coil The correct answer is: (c) Gaps between the coils 14. The p-type diode has (a) More electrons than holes (b) Equal number of electrons and holes (c) More holes than electrons (d) None The correct answer is: (c) More holes than electrons 15. In the diagram below what is the value of X if the effective resistance is $\frac{1}{1.2}$ ohms (a) 1.2 ohms (b) 1.4 ohms (c) 2.2 ohms (d) 1.0 ohms The correct answer is: (b) 1.4 ohms 16. Which of the following are complementary colors? (a) Cyan and yellow (b) Green and Yellow (c) Blue and Yellow (d) Green and Blue The correct answer is: (c) Blue and Yellow 17. From the diagram below, if the system shown is in equilibrium, which of these is correct? (a) $F_3 = F_1 - F_2$ (b) $F_2 = F_1 + F_3$ (c) $F_3 = F_1 + F_2$ (d) $F_2 + F_1 = 0$ The correct answer is: (b) $F_2 = F_1 + F_3$ 18. Which of the following is not part of the factors which determine the free fall of an object in the earth's field? (a) Location of an object in the earth (b) Mass of the object (c) Acceleration due to gravity (d) Weight of the body The correct answer is: (b) Mass of the object 19. Which of the following factors is common to all metals? (a) Hardness (b) Conductivity (c) Ductility (d) Malleability The correct answer is: (b) Conductivity 20. The mass of an object discharged at the charged at the cathode is 15g. If the current passed through is 3A, the time is? [$e.c.e = 3.3 \times 10^{-7}{kgc}{-1}$] (a) 996min (b) 225min (c) 253min (d) 455min The correct answer is: (c) 253min

21. At resonance in an AC circuit (a) $X_l = X_c$ (b) $X_c = 2\pi$fC (c) $X_l = 0$ (d) $X_c = 0$ The correct answer is: (a) $X_l = X_c$ 22. The use of lenses is NOT applicable in the ______ (a) Projector (b) Human eye (c) Periscope (d) Telescope The correct answer is: (c) Periscope 23. Tyres are threaded to _____ (a) Increase weight tyres (b) Increase its longetivity (c) Increase friction (d) Look good The correct answer is: (c) Increase friction 24. A ray of light is incident normally on a plane mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of $30^o$, determine the initial and final angles of reflection respectively (a) $0^o$ and $30^o$ (b) $90^o$ and $60^o$ (c) $90^o$ and $30^o$ (d) $0^o$ and $60^o$ The correct answer is: (b) $90^o$ and $60^o$ 25. A piece of chalk is broken into its smallest piece possible what is the smallest piece? (a) Atom (b) Molecule (c) Ion (d) Neutron The correct answer is: (b) Molecule 26. Which law describes the direction of induced current with motion of field? (a) Faraday's law (b) Newton's law (c) Lenz's law (d) Fleming's law The correct answer is: (c) Lenz's law 27. The electric irons use which principle? (a) Thermionic emission (b) Photoelectric effect (c) Thermostat (d) Heating effect of current The correct answer is: (d) Heating effect of current 28. Why is water not used as a thermometric fluid? (a) Water wets glass (b) Anomalous expansion between $0^o$C and $4^o$C (c) Water has a high coefficient of thermalcapacity (d) Water has a density of ${1gcm}^{-3}$ The correct answer is: (b) Anomalous expansion between $0^o$C and $4^o$C 29. Which of the following is a scalar quantity? (a) Moment (b) Momentum (c) Potential energy (d) Acceleration The correct answer is: (c) Potential energy 30. When a man stands in water, his legs appear shorter, which principle causes this? (a) Reflection (b) Polarisation (c) Refraction (d) Diffraction The correct answer is: (c) Refraction

31. What is the dimension of moment? (a) ${MLT}^{-1}$ (b) ${ML}^{-1}{T}^{-2}$ (c) ${ML}^{-1}$ (d) MLT The correct answer is: (a) ${MLT}^{-1}$ 32. A graph of P (pressure) against $\frac{1}{V}$ (Volume V) is _____ (a) Parabola (b) Curved (c) Straight line (d) Hyperbola The correct answer is: (c) Straight line 33. The power factor of a D.C circuit is always (a) Zero (b) Less than unity (c) Unity (d) Greater than unity The correct answer is: (c) Unity 34. Which of the following uses force on current carrying conductor in a magnetic field? (i) electric bell (ii) electric iron (iii) electric motor (a) (i), (ii) and (iii) (b) (i) and (ii) (c) (ii) and (iii) (d) (iii) only The correct answer is: (d) (iii) only 35. The mechanical advantage of a good machine is _____ (a) Greater than 1 (b) Equal to 1 (c) Less than 1 (d) Greater than 1 or equal to 1 The correct answer is: (a) Greater than 1 36. Which of these is stated by kinetic molecular models in solid? (a) The molecules are closely related and little movement in them (b) The molecules are free to move around (c) The molecules are rigid and fixed with usually lattice arrangement (d) The molecules are loosely related with high movement The correct answer is: (c) The molecules are rigid and fixed with usually lattice arrangement 37. Birds can perch on electric cables and not be electrocuted because (a) The feet of birds are insulated (b) Birds are generally immune to electricity (c) Birds have less weight (d) Birds have feathers The correct answer is: (a) The feet of birds are insulated 38. A light of energy 10eV falls on a metal surface and the electrons with a maximum kinetic energy of 4eV are ejected from the surface. What is the work function of the metal? (a) 10eV (b) 4eV (c) 6eV (d) 2eV The correct answer is: (c) 6eV 39. The height of a column with normal atmospheric pressure is _____ (a) 760cm (b) 76cm (c) 7.6cm (d) 0.76cm The correct answer is: (b) 76cm 40. What is the S.I unit of heat capacity? (a) J/K (b) J/Kg/K (c) J/Kg (d) K/Kg The correct answer is: (a) J/K Without doubt I believe you are happy with the questions and answers on Jamb Physics 2022 you saw above. We have compiled this to ensure students have access to resources that can help them blast their UTME exams. If you have any comment or you observe any flaw do well to leave a comment in the comment-box below and we will get back to you

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