Hello and Welcome to SSCE (WAEC and NECO) Practice Test - Physics 1. You will attempt 50 randomly generated objective questions for 40 minutes. 2. Don't guess answers. Leave answer blank if not sure. Incorrect answers attracts -1 (negative one) and it is cumulative. 3. If time allowed elapsed, your quiz ends immediately and scores will displayed and ranked. 4. Your performance in each of the question attempted alongside step-by-step solutions to attempted questions will be displayed on the screen at the end of the assessment. 5. Fill the form below and Click on the Next button to Begin Full Name (Surname First): Location: The mass and weight of a body on earth are 8kg and 80 N respectively. Determine the mass and weight of the body respectively on a planet where the pull of gravity is that on earth. A. 8kg, 8 N B. 1kg, 10 N C. 64kg, 10 N D. 8kg, 10 N B D A CFuel was consumed at a steady rate of 5.0 x 10-2 kg per second in a rocket engine and ejected as a gas with a speed of 4 x 103 ms-1. Determine the thrust on the rocket. A. 20 N B. 80 N C. 200 N D. 800 N C A B DIf the charge on an object is measured as 4.04 x 10-18 C, how many excess electrons does the object possess, given that the charge of an electron is 1.6 x 10-19 C? A. 18 B. 19 C. 25 D. 37 A B D CA direct current of 5 A flows through a 0.2 H inductor. Calculate the energy stored in the inductor. A. 0.5 J B. 1.0 J C. 2.5 J D. 5.0 J C A D BA process by which two light atoms join to form a new atom of higher atomic mass is A. natural radioactivity B. nuclear fission C. nuclear fusion D. chain reaction B D C ARadio waves travel in air at 3.0 x 108ms-1. If the waves enter water of refractive index 4/3, calculate the speed of radio waves in water A. 4.33 x 108 ms-1 B. 4.00 x 108 ms-1 C. 2.25 x 108 ms-1 D. 1.33 x 108 ms-1 A D B CA chemical cell of internal resistance 1Ω supplies electric current to an external resistor of resistance 3Ω. Calculate the efficiency of the cell. A. 75% B. 50% C. 33% D. 25% B A D CWhich of the following statements about Archimedes’ principle is correct? The upthrust on a body is a measure of the A. mass of fluid displaced B. weight of the body C. volume of the body D. weight of the fluid displaced. C B A DAn immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5°C per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost] A. 1100 Jkg-1K-1 B. 320Jkg-1K-1 C. 200 Jkg-1k-1 D. 176Jkg-1K-1 A D B CWater of mass 1.5 kg is heated from 30oC to 80oC using an electric kettle which is rated 5A, 230 V. Calculate the time taken to reach the final temperature. [Specific heat capacity of water = 4200 Jkg-1K-1] A. 4.57 minutes B. 5.02 minutes C. 7.3 minutes D. 10.04 minutes C B D AA body starts from rest and accelerates uniformly at 5 ms-1 until it attains a velocity of 25ms-1. Calculate the time taken to attain this velocity. A. 2.5 s B. 5.0 s C. 10.0 s D. 125.0 s C D A BA body of mass 5kg moving with a velocity of 10ms-1 collides with a stationary body of mass 6kg. If the two bodies stick together and move in the same direction after the collision, calculate their common velocity. A. 4.55 ms-1 B. 12.00 ms-1 C. 30.00 ms-1 D. 50.00 ms-1 D C A BIn which of the following media is the transmission of sound waves fastest? A. Vacuum B. Air C. Wood D. Iron D B C AMasses, m1 and m2 at the 20 cm and 65 cm marks respectively on a uniform metre rule freely suspended at its centre of gravity. If the metre rule balances horizontally, determine the ratio m2:m1 A. 2:1 B. 3:3 C. 2:3 D. 1:2 B C A DA wire, 1.0 m long and with cross-sectional area 2.0 x 10-7 m2 has a resistance of 0.1Ω. Calculate the electrical conductivity of the wire. A. 2.0 x 107Ω-1m-1 B. 5.0 x 107Ω-1m-1 C. 2.0 x 108Ω-1m-1 D. 5.0 x 108Ω-1m-1 A B C DA very sensitive spring balance was used to determine the weight of an object at the north pole. When the same spring balance was used to measure the weight of the same object at the equator, it was found to reduce. The explanation for this observation is that A. it is very hot at the equator B. the spring balance has expanded C. the acceleration of free fail due to gravity varies with location D. the mass of the body is reduced. C D B ANuclear fission is preferred to nuclear fusion in the generation of energy because A. very high temperatures are required for fusion B. the raw materials for fusion are easily obtained C. energy obtained from fusion is relatively smaller D. the bye products of fusion are very dangerous B D C AA ship moving northward with speed Vs is acted upon by a wind blowing due west at a speed Vw. Which of the following diagrams correctly indicates the velocity VR of the wind relative to the ship? C B A DThe image of an object formed by a convex mirror is A. real, erect and enlarged B. real, inverted and enlarged C. virtual, erect and diminished D. virtual, erect and enlarged D B A CWhich of the following is/are in random motion? I. Pollen grains in water II. The molecules of hydrogen gas III. Fine chalk particles floating in air A. I and II only B. I and III only C. II and III only D. I, II and III A D C BBoth γ rays and X-rays I. can be produced by thermionic emission II. have low frequencies III. have short wavelengths. Which of the statements above is/are correct? A. I only B. II only C. III only D. I and III only A B D C The diagram above represents the displacement-time graph of the motion of an object thrown upwards. The velocity of the object at the point P is A. maximum B. uniform C. zero D. terminal. B C A DThe cubic expansivity of a certain gas at constant pressure is 1/273 k-1. If a given mass of the gas is held at constant pressure and its volume at 0oC is 273 m3, determine the volume of the gas at 273oC. A. 273m3 B. 546m3 C. 819m3 D. 1092m3 C D A BWhich of the following defects of vision is as a result of the eye ball being too long? A. Long sight B. Astigmatism C. Short sight D. Loss of accommodation B C D AA 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°. determine the initial and final angles of reflection respectively. A. 0° and 60° B. 90° and 30° C. 0° and 30° D. 90° and 60° B C A DWhich of the following types of motion does a body undergo when acted upon by a couple? A. Vibrational B. Translational C. Rotational D. Random C B A DThe mass of a proton is 1.0074μ. and that of a neutron is 1.0089μ. Determine the energy evolved in stabilizing the nucleus of nitrogen of mass number 14 with 7 protons and 7 neutrons. [speed of light = 3.0 x 108ms-1; 1μ = 1.67 x 10-27kg] A. 1.710 x 10-8 J B. 3.131 x 10-8J C. 1.476 x 10-8J D. 2.332 x 10-9J B D C AA rectangular block of dimensions 2.0 m x 1.0 m x 0.5 m weighs 200 N. Calculate the maximum pressure exerted by the block on a horizontal floor. A. 100 Nm-2 B. 200 Nm-2 C. 300 Nm-2 D. 400 Nm-2 A D C BWhich of the following phenomena is the practical evidence for the existence of the continual motion of molecules? A. Translational motion B. Rotational motion C. Brownian motion D. Oscillatory motion B D A CThe amplitude of a wave is the A. distance travelled by the wave in a complete cycle of its motion B. maximum displacement of the wave particle from the equilibrium position C. separation of two adjacent particles vibrating in a phase D. distance between two successive troughs of the wave. B A D CThe distance between two points in phase on a progressive wave is 5 cm. If the speed of the wave is 0.20ms-1, calculate its period. A. 4.00s B. 2.50s C. 0.25s D. 0.04s C B D AIn the day time, it is possible to see under shady areas such as under a tree, because light has undergone A. internal reflection B. refraction C. diffraction D. diffuse reflection B C A DA body of mass 25kg moving at 3 ms-1 on a rough horizontal floor is brought to rest after sliding through a distance of 2.50 m on the floor. Calculate the coefficient of sliding friction. (g = 10.0ms-2) A. 0.09 B. 0.18 C. 0.36 D. 0.54 C D A BA metal rod of length 50 cm is heated from 40oC to 50oC. If the linear expansivity of the material is ∝, calculate the increase in length of the rod (in metres) in terms of ∝. A. 20 ∝ B. 200 ∝ C. 2000 ∝ D. 20000 ∝ D C A BFlemings right hand rule is also called the A. motor rule B. dynamo rule C. screw rule D. thumb rule. A C D BWater falls through a height of 50m. Determine the temperature rise of the water at the bottom of the fall. [Neglect energy losses]. Specific heat capacity of water = 4200jkg-1k-1, g = 10ms-2 A. 0.119°C B. 0.840°C C. 1.190°C D. 8.400°C D C A BWhich of the following statements is not a reason for using soft iron n making the core of a transformer? It A. retains its magnetism for a long time B. is easily magnetised C. reduces energy loss due to hysteresis D. is easily demagnetised C B A DThe distance between a concave mirror and an object placed in front of it is 1.0 m. If the radius of curvature of the mirror is 4.0 m, the image formed will be A. 2.00 m behind the mirror B. 2.00 m in front of the mirror C. 1.25 m in front of the mirror D. 1.25 m behind the mirror B C D AThe diagram above shows three forces F1, F2 and F3, which keep the bar AB in horizontal equilibrium. Which of the following equations is correct? A. F3 = F1 + F2 B. F2 = F1 + F3 C. F1 = F2 – F3 D. F1 = F2 + F3 A B C DThe lower and upper fixed points of a thermometer are 30mm and 180mm respectively. Calculate the temperature in degrees Celsius when the thermometer reads 45mm. A. 10.0°C B. 15.0°C C. 20.0°C D. 30.0°C B C A D41 out of 40Are you ready to submit? You have enough time to attempt skipped questions and review your answers by clicking the Previous Button, else click the Submit Quiz button to see your results! Categories: 0 Comments Leave a Reply Cancel reply You must be logged in to post a comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.