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Paper 1(XMSS 2021 Prelims)
Quiz by Jessica Lew
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
A ticker tape timer is used to monitor the motion of a toy cart. The frequency of the tickertape timer is 20 Hz. A section of the paper tape pulled by the cart is shown. What is the average speed of the cart shown by the tape between X and Y?
37 cm s-1
23 cm s-1
46 cm s-1
50 cm s-1
Which row describes the motion of cars X, Y and Z correctly?
A ticker tape timer is used to monitor the motion of a toy cart. The frequency of the tickertape timer is 20 Hz. A section of the paper tape pulled by the cart is shown. What is the average speed of the cart shown by the tape between X and Y?
Which row describes the motion of cars X, Y and Z correctly?
An object falls from rest through air until it reaches terminal velocity. What can be said about the acceleration of the object during the fall?
The diagram shows a metal ball of weight W, being suspended by a string from point P. The ball is held stationary to one side by a horizontal force F. The tension in the string is T. Which vector diagram correctly represents the three forces W, F and T acting on the ball?
A woman stands in a lift that is accelerating upwards at 0.75 m s-2. She has a mass of 52 kg.
What is the normal reaction force exerted on her by the floor during the motion?
Which statement is correct?
A wooden block of dimension 1.0 m by 1.0 m by 1.0 m has a mass of 800 kg. If a boy saws half the block away, what is the density of the remaining wooden block?
The diagram shows a balancing toy pivoted on a stand. If the toy is tilted slightly, it does not topple but returns to its original position. This is because the centre of gravity of the toy is_____
The diagram shows a uniform bar in equilibrium. What is the magnitude of the force F?
A manometer contains water and a liquid X. The two liquids do not mix with each other. The pressure at level P is the same for the two liquids. The density of water is 1000 kg m-3. What is the density of liquid X?
The system shown in the diagram contains an incompressible liquid. A downward force of 3.0 N is exerted on piston L. What is the upward force on piston K?
Four persons climbed up four different staircases. Their weights, vertical heights of the staircases and times are recorded in the table below. Which person develops the least power?
A rocket of total mass M is travelling at a speed v. The engine of the rocket is fired and fuel is used up. The mass of the rocket decreases to M/2 and its speed increases to 2v. What happens to the kinetic energy of the rocket?
The diagram shows a light source illuminating smoke particles in air. When observed with a microscope, moving points of light are seen. What are these moving points of light?
A silver spoon and a plastic spoon are placed on a table in a room. Which statement explains that the silver spoon is colder to the touch than the plastic spoon?
Which of the following is correct about thermometric property?
Four liquids A, B,C and D of equal mass at 20°C are heated by the same heater. The boiling points and heat capacities of the liquids are shown below. Which liquid will boil first? Click on the pic for the options
A solid substance is placed in a boiling tube and heated steadily. The temperature-time graph of the substance is shown. At which labelled point would the substance be a mixture of solid and liquid?(Click on the picture)
The diagram shows a water wave moving in the direction shown. At which point is the water particles moving upwards with maximum speed?
It takes 0.20 s to generate one complete wave in a ripple tank. The wavelength of each wave produced is 4.0 cm. What is the speed of the wave?
The diagram shows an object O viewed using two mirrors. A person looks into the mirrors as shown. At which position is the image of O seen?
When an object is placed at a distance 20 cm in front of a lens, its image is formed 20 cm behind the lens. If the object is placed at 12 cm from the lens, the characteristics of the image formed are
Which of the following is arranged in order of decreasing wavelength?
Which electromagnetic wave can cause structural damage to living cells and tissue?
A boy strikes a rigid metal fence with a stick. A girl listens with her ear against the fence. One second after the fence is struck, the girl hears a sound through the air. How long will it take for the girl to hear a sound through the fence?
An insect makes a sound that is higher than the maximum audible frequency of human beings. Given that speed of sound in air is approximately 300 m s-1, which of the following could be the wavelength of the sound?
M, N, O and P are light conductive balls which behave as follows:
M repels N, M attracts O, O repels P
If P is positively charged,
The diagram shows the electric field produced by two metal plates which are connected to an electrical supply. A small negative charge is placed in the gap between the two plates. What is the direction of the force exerted by the electric field on the negative charge?
The potential difference across a 10 Ω resistor is 5 V. How much charge passes through the 10 Ω resistor in 30 seconds?
When a filament lamp is switched on, there is a current in the lamp. As the temperature of the filament rises, its resistance changes. Which pair of graphs shows how the resistance R of the filament and the current I vary with time after the lamp is switched on?
Five identical resistors of resistance 3.0 Ω are arranged as shown. What is the effective resistance between points P and R?
In which circuit does the voltmeter reading decrease when light shines on the light dependent resistor?
A 1.9 kW vacuum cleaner and a 200 W television is connected in parallel to a 240 V mains.
Which will be a suitable fuse rating for the mains?
Which circuit shows how a lamp and a switch should be connected to a household lighting circuit?
Which of the following statements about induced magnetism is correct?
The diagram shows three metal rods and at least one of them is a magnet. The ends of the three rods are tested by holding end Q of rod 1close to the ends of two other rods in turn. The results shows that end Q attracts ends R, S and T but repels end U.
Which rod(s) is/are a magnet(s)?
The diagram below shows a simple d.c. motor. Which part of the motor allows it to turn continuously by reversing the direction of the current in the coil?
The diagram shows a beam of electrons entering a magnetic field. The direction of the magnetic field is downwards, towards the bottom of the page. In which direction will the electrons deflect?
The diagram below shows a wire coiled around a soft iron rod and a copper ring R. What will happen to the copper ring at the instance when the switch S is closed?
An ideal transformer has a primary coil of 1000 turns and a secondary coil of 400 turns. The primary voltage is 600 V and the secondary coil is attached to a resistor of resistance 120 Ω. What is the power dissipated in the resistor?
