NYGH EOY2026 MCQ revision

1 2026 Sec 3 Physics Revision Exercise (MCQ) Name: ……………………………. ( ) Class: 3/ …… Date: ………… Optics 1 Four students, P, Q, R and S, are standing in front of a plane mirror as shown below. Who can Q see in the mirror? A P and Q only B Q and R only C R and S only D P and S only mirror P Q R S 2

2 3 A room has an odd shape and with a mirror covering the biggest side of the wall. The diagram shows the top view of the room and the image of the walls 1, 2 and 3 is represented by the dotted lines. A person represented by a cross wants to see all the images of the walls of the room and uses the smallest length of the mirror. What is the correct length? A TU B UV C TV D SW 4 The diagram (not to scale) shows a man standing 1 m from a mirror of height 0.5 m. He notices that the reflection of the wall behind exactly fills the mirror. How high is the wall? A 1.0 m B 1.5 m C 2.0 m D 3.0 m door S T U V Wall 1 Wall 2 Wall 3 W 1 m wall 0.5 m 3 m

3 5 A ray of light enters a glass block at an angle of 55o with the boundary (surface). The refractive index of the glass is 1.5. The light ray changes direction when entering the glass. What is the angle x through which the ray moves? A 1.9 ° B 12.5 ° C 22.5 ° D 33.1 ° 6 A ray of light from air passes through a block of glass which has a refractive index 1.5. Which diagram correctly shows the path of light entering and leaving the glass block? 30 ° A 30 ° B 30 ° C 30 ° D 55o

4 7 Two parallel rays of light pass through an isosceles glass prism with a refractive index of 1.5. statement 1 2 3 Total internal reflection occurs at the base of the prism. An object viewed through this prism in this way will appear upside down. The critical angle for the glass prism is more than 45°. Which of the following combination of statements are true? A 1 and 2 B 1 and 3 C 2 and 3 D 1, 2 and 3 8 What are the characteristics of an image formed by the thin converging lens in the human eye? A real, inverted and diminished B real, upright and diminished C virtual, inverted and diminished D virtual, upright and magnified 9 The diagram shows two parallel rays of light passing through a converging lens. Through which point will the light ray RS pass after passing through the lens? lens R S A B C D 45° 45°

5 10 When an object is placed 15 cm in front of a convex lens, the image is formed 30 cm behind the lens. How would the size of the image and the image distance change when the object is moved 5 cm further away from the lens? size of image image distance A decreases decreases B decreases increases C increases decreases D increases increases Answers 1. C 2. C 3. D 4. C 5. B 6. C 7. A 8. A 9. B 10. A object 15 cm 30 cm image

6 Units and Measurements, Kinematics, Dynamics 1 Which pair of physical quantities consists of two vectors? A kinetic energy and force B moment and time C velocity and acceleration D weight and temperature 2 The thickness of a piece of metal is measured with a micrometer. Which reading shows the correct precision of the reading recorded? A 1 cm B 1.1 cm C 1.10 cm D 1.100 cm 4 A simple pendulum is 1.0 m long and carries a 50 g bob. It swings with a period of 0.80 s. If the 50 g bob is replaced by a 100 g bob, how long does the new pendulum take to complete 1 swing? A 0.40 s B 0.80 s C 1.6 s D 3.2 s 3 A manufacturer needs to measure accurately the dimensions of a wooden floor tile. The approximate dimensions of the tile are as shown. Which instruments measure each of these dimensions accurately? width length thickness A digital calipers meter rule micrometer B meter rule digital calipers micrometer C meter rule micrometer digital calipers D micrometer meter rule digital calipers

7 6 A ball made of plasticine is thrown vertically upwards towards the ceiling. At the highest point of its path, it is stuck at the ceiling. Which distance-time graph best describes the motion of the ball? A B C D 5 The pendulum as shown makes 10 complete oscillations in 40 seconds. What is the period and frequency of one oscillation? period / s frequency / Hz A 0.25 0.25 B 0.25 4.0 C 4.0 0.25 D 4.0 4.0 distance / m time / s distance / m time / s distance / m time / s distance / m time / s

8 8 A stone was dropped on Earth and later on the Moon. Given that the acceleration due to gravity on the Moon is 1/6 that of the Earth’s, which of the following speed - time graphs correctly represents their motion? 9 A lunar landing module is descending to the Moon’s surface at a steady velocity of 10 m s-1. At a height of 120 m, a small object falls from its landing gear. If the Moon’s gravitational field strength is 1.6 N kg-1, at what velocity does the object strike the surface of the Moon? A 10.0 m s-1 B 19.6 m s-1 C 22.0 m s-1 D 202 m s-1 10 A body X of mass m is dropped from a height h. At the same time, another body Y of mass 3m is dropped from a height 3h. Which statement is true? Neglect air resistance. A Y will eventually overtake and pass X. B As they fall, the distance between them remains a constant. C As they fall, the distance between them decreases. D Their average velocities during the fall are constant. 7 A car drives at a constant speed around the racing track JKLM as shown. Which sections of the racing track will the car experience a resultant force? A JK and LM B JK and KL C KL and MJ D LM and MJ

9 11 A small metal block slides along a horizontal frictionless surface, collides against a wall and rebounds along its original path. Which of the following v-t graphs would represent its motion? 12 The diagram shows a velocity-time graph of an object moving from rest along a straight line. What is the displacement of the object at time = 40 s? A 550 m B 850 m C 1 050 m D 1 250 m time / s velocity / m s-1 80 60 40 20 0 - 20 - 40 10 20 30 40 50

10 13 The following table shows the results of an experiment in which a solid material is placed in four different liquids. liquid density of liquid / kg m-3 observation of solid material mercury 13 600 floats water 1 000 floats turpentine 700 sinks organic compound 550 sinks What is the density of the solid material? A exactly 700 kg m-3 B exactly 1000 kg m-3 C between 700 kg m-3 and 1 000 kg m-3 D between 1 000 kg m-3 and 13 600 kg m-3 16 A table with a table cloth has a vase on it. If the table cloth is pulled away quickly, the vase does not fall off the table or topple but remains where it is. Which property of the vase makes this possible? A density B energy C inertia D force 14 A box has an internal volume of 1000 cm 3. When a solid object is placed inside the box and the box is closed, the volume of air in the box becomes 520 cm3. Given that the density of the object is 8.00 g/cm3, what is the mass of the object? A 60.0 g B 3840 g C 4160 g D 8000 g 15 A block of metal is taken from the Earth to the Moon. Which property of the metal block changes? A density B mass C volume D weight