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 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 D A C BIn which of the following media is the transmission of sound waves fastest? A. Vacuum B. Air C. Wood D. Iron D C B AA constantan wire has a cross sectional area of 4 x 10-8m2 and a resistivity of 1.1 x 10-6 Ωm. If a resistor of resistance 11Ω is to be made from this wire, calculate the length of the wire required. A. 0.4 m B. 0.8 m C. 2.5m D. 5.0m A B C DA radioactive element has a decay constant of O.077s-1. Calculate its half-life. A. 13.0 s B. 9.0 s C. 5.1 s D. 0.5 s B A D CWhich of the following statements about a spring balance and/or a chemical balance is not correct? A The chemical balance operates on the principle of moments B. The spring balance operates on Hooke’s law C. Either may be used to measure the weight of a substance D. The reading of a spring balance changes over the surface of the earth, while that of the chemical balance remains constant. A D C BThe friction which exists between two layers of liquid in relative motion is called A. capillarity . B. surface tension C. viscosity D. cohesion D C B AThe 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 D B AA bar magnet is placed near and lying along the axis of a solenoid connected to a galvanometer. The pointer of the galvanometer shows no deflection when A. the magnet is moved away from the stationary solenoid B. the solenoid is moved away from the stationary magnet C. the magnet is moved towards the stationary solenoid D. there is no relative motion between the magnet and the solenoid. A C 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 CIf the air inside a rigid box is heated, the I. average speed of the molecules increases II. pressure of the air increases III. average separation of the molecules increases. Which of the statements above are correct? A. I and II only B. II and III only C. I and III only D. I, II and III. D C A BA wheel and axle of radii 800mm and 200mm respectively is used to raise a body of weight 800 N by the application of 250 N. Calculate the efficiency of the machine. A. 85% B. 80% C. 60% D. 20% A D B C The diagram above illustrates a bar magnet near a coil connected to a galvanometer. When the magnet is rapidly moved towards the coil I. an e.m.f. is induced in the coil. II. the galvanometer needle deflects. III. the magnet is attracted by the coil. Which of the statements above are correct? A. I and II only B. II and III only C. I and III only D. I, II and III D A B CA converging lens and a screen are placed 20 cm and 80 cm respectively from an object in a straight line so that a sharp image of the object is formed on the screen. If the object is 3 cm high, calculate the height of the image formed. A. 1 cm B. 9 cm C. 12 cm D. 15 cm D A C BThe mass atachad to a string is moving in a circular path. If the speed is doubled, the tension in the string will be A. doubled B. halved C. four times is great D. one-fourth as much. D B A CAn electric motor is a machine that converts A. mechanical energy into electrical energy B. electrical energy into mechanical energy C. high voltage to low voltage D. low voltage to high voltage. A B C 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 C D A BA 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 B D A CThe working principle of a pressure cooker is based on the A. increase in the volume of steam inside it B. complete trapping of heat inside it C. increase in the pressure of the pot D. decrease in the pressure of the pot. C D B AThe 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 C D AUranium of atomic number 92 and mass number 238 emits an alpha particle from its nucleus. The new nucleus formed has, respectively, atomic number and mass number A. 94 and 238 B. 90 and 236 C. 88 and 234 D. 90 and 234 A B D CA 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 ∝ C A D B 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. C D A BBeta particles are fast-moving A. protons B. electrons C. neutrons D. photons A D B 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 B D A CA 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? D B C A The diagram above illustrates the sun, moon and earth in the same straight line during an eclipse. An observer at the point P on earth observes A. annular eclipse B. partial eclipse C. total eclipse D. no eclipse A C B DA sound wave is produced from a source and an echo is heard t seconds afterwards, If d is the distance of the reflecting surface from the source, v the speed, λ the wavelcngth and T the period of the wave, then B D C 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 A D B CTwo bodies each carrying a charge of 2.00 x 10-10 C are 5 cm apart. Calculate the magnitude of the force between the charges [ 1/ 4πεo = 9.00 x 109 Nm2C-2] A. 1.44 x 10-7 N B. 7.20 x 10-9 N C. 7.20 x 10-11 N D. 1.44 x 10-11 N A C B DWhich of the following devices converts heat energy to electrical energy? A. Transformer B. Dynamo C. Thermocouple D. Thermostat. B C D AThe design of the thermostat of an electric Iron is based on the A. emission of electrone from metals when heated B. Increase in size of metals when heated C. Increase in the density of metals when heated D. change in the mass of metals when heated. D C A BWhich 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 D AWhich of the following statements about boiling and evaporation at atmospheric pressure is correct? A. Evaporation and boiling of water take place at 100°C B. Evaporation of water takes place at a temperature greater than 100°C, while boiling takes place at 100°C C. Evaporation of water takes place at 100°C while boiling takes place at a higher temperature. D. Boiling takes place at 100°C while evaporation may take place at temperatures lower than 100°C. A D B CA 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 B D A CControl in nuclear reactors is effected with boron rods because the rods have the ability to A. absorb electrons B. absorb neutrons C. accelerate electrons D. slow down neutrons A C B DThe 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 A C 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 B A D CWhich of the following statements is correct? A. The density of a liquid decreases when it expands B. The densities of liquids increase when the liquids are heated C. The real expansivity of a liquid is less than its apparent expansivity D. A liquid changes to solid when heated to a sufficiently high temperature. A D B CThe 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 D A B CA negatively charged rod is held close to an uncharged metal ball on an insulating stand. The ball will A. be negativelv charged B. be positively charged C. have an excess of negative charges on the side nearest the rod D. have an excess of positive charges on the side nearest the rod A B C 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! Adamasamuel scores (-15) out of 40 Share this:TwitterFacebookLike this:Like Loading... Categories: PhysicsPractice Tests (FREE Access) Tags: SSCE (WAEC and NECO) Practice Test - Physics 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.