Free CXC Physics Paper 1 May/June 2017 past paper from 2017. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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CSEC Physics Paper 1 May/June 2017 - Free CXC Past Paper with Answers
Free CXC Physics Paper 1 May/June 2017 past paper from 2017. Includes a worked answer key. Open the PDF, take a timed test, and study with AI on Caribbean AI.
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Every question from this paper as text. See the answers and worked solutions. Questions are the property of the Caribbean Examinations Council; Caribbean AI is not affiliated with CXC.
Which of the following represents the correct unit for the quantity shown in the diagram?
kg m s
kg m s
kg m s
kg m s
A car travels at a constant speed of 20 m s for 10 s. What is the distance travelled?
2 m
20 m
200 m
2000 m
Which of the following is a scalar quantity?
Velocity
Acceleration
Momentum
Distance
A body of mass 5 kg is moving with a velocity of 10 m s. Its momentum is
0.5 kg m s
2 kg m s
50 kg m s
500 kg m s
Which of the following statements is TRUE?
Inertia is the tendency of a body to resist changes in its state of motion.
Inertia is the same as momentum.
Inertia is the same as force.
Inertia is the same as acceleration.
A resultant force of 10 N acts on a body of mass 2 kg. The acceleration produced is
0.2 m s
5 m s
20 m s
200 m s
Which of the following is the unit of impulse?
N
N s
N m
N m s
A body is moving with constant velocity. Which of the following is TRUE?
The resultant force acting on it is zero.
The resultant force acting on it is non-zero.
The body is accelerating.
The body is decelerating.
Which of the following features must be present in a stable, well-designed racing car?
Low centre of gravity
Narrow wheel base
Long front
Sun roof
The diagrams below, drawn to scale, represent two forces, S and T, acting at O. In which of the following is the resultant in the direction OX?
Diagram A
Diagram B
Diagram C
Diagram D
Which of the following expressions could be used to determine the speed of an object?
<math>\frac{\text{Change in velocity}}{\text{Time taken}}</math>
<math>\frac{\text{Change in displacement}}{\text{Time taken}}</math>
<math>\frac{\text{Distance travelled}}{\text{Time taken}}</math>
Distance travelled × Time taken
Which of the following is the unit of momentum?
kg s⁻¹
kg m s⁻¹
kg m s⁻²
N m
When two bodies collide momentum is conserved. This means that the
kinetic energy before impact is equal to that after impact
momentum of each body is unchanged
algebraic sum of the velocities before impact is equal to the sum of the velocities after impact
total momentum of the bodies before impact is equal to the total momentum of the bodies after impact
Power can be defined as
force × distance moved
force / time
work done / time
work done × time
The specific latent heat of vaporization of water is the energy required to change 1 kg of water at
0 °C to ice at 0 °C
99.9 °C to steam at 100.1 °C
100 °C to steam at 100 °C
0 °C to steam at 100 °C
Which of the following is the POOREST conductor of thermal energy?
Air
Copper
Mercury
Aluminium
Which of the following diagrams BEST illustrates convection current in a liquid?
Diagram A
Diagram B
Diagram C
Diagram D
Boyle's law for a gas can be tested experimentally, provided which of the following remain constant?
I. Temperature II. Pressure III. Mass
I and II only
I and III only
II and III only
I, II and III
The specific latent heat of fusion of water is 340 kJ kg⁻¹. This means that when 10 kg of water freezes
34 kJ of heat is absorbed
34 kJ of heat is given out
3 400 kJ of heat is absorbed
3 400 kJ of heat is given out
As the temperature of a liquid rises
its density increases
the forces between its molecules increase
the kinetic energy of its molecules increases
the pressure it exerts at the bottom of the container increases
The specific heat capacity of a material is the energy required to
melt 1 kg of the material with no change of temperature
change the temperature of the material by 1 K
change 1 kg of the liquid material to 1 kg of gas without a change in temperature
change the temperature of 1 kg of the material by 1 K
What is the gain in the gravitational potential energy of a body of weight 200 N, as it rises from a height of 30 m to a height of 35 m above the earth's surface?
40 J
100 J
1000 J
2000 J
Which of the following statements concerning the radiation of heat is/are true?
I. Radiation can only take place in a material medium. II. A good absorber is also a good emitter of radiation. III. Dark dull surfaces are better emitters than shiny ones.
III only
I and II only
I and III only
II and III only
An electric kettle full of water is plugged into the mains. The process by which heat travels through the water is
electrification
convection
evaporation
radiation
There are little or no attractive forces between the molecules in a
liquid and a gas
solid and a liquid
liquid
gas
What temperature is indicated by the clinical thermometer in the diagram above?
38.3 °C
38.6 °C
38.7 °C
38.8 °C
In using a slinky to demonstrate longitudinal waves moving from Point A to Point B above, the spring is made to vibrate
parallel to AB
perpendicular to AB
at an obtuse angle to AB
at an acute angle to AB
Sound waves propagated in a medium consist of
crests followed by troughs
compressions followed by troughs
crests followed by rarefactions
compressions followed by rarefactions
Which of the following statements does NOT provide evidence that sound waves can be reflected?
Sound can be heard around a corner in open air.
Speaking tubes can be used for passing messages in ships.
The depth of the ocean can be measured using ultrasound.
Echoes can be heard when a person shouts in a large empty room.
The reason for the formation of the bright fringes is that
these positions contain more light energy
the crests are larger than the troughs along these lines
all the crests and troughs are in phase along these points
all the crests and troughs are out of phase along these points
Which row in the following table correctly compares X-rays and visible light?
Particles / Waves
High frequency / Low frequency
Long wavelength / Short wavelength
Carry less energy / Carries more energy
Which of the following, in the 20th century, provided evidence that light has a wave nature?
Young's double slit experiment
Newton's prism experiment
Ripple tank experiment
Photoelectric effect
Which of the following statements is NOT true of the image formed in a plane mirror?
The image is upright.
The image is laterally inverted.
Rays of light from the object pass through corresponding points on the image.
The image is the same distance behind the mirror as the object is in front.
Which of the following can produce a diminished virtual image of a real object? I. A plane mirror II. A diverging lens III. A converging lens
I only
II only
II and III only
I, II and III
The diagram above shows the formation of an image by a
lens camera
pinhole camera
telescope
magnifying glass
Which of the following statements about sound is NOT correct?
Sound travels more slowly than light.
Sound does not travel through a vacuum.
Sound is transmitted as transverse waves.
Sound may be produced by vibrating systems.
A loud high-pitched note results from a wave of
high frequency, small amplitude
high frequency, large amplitude
low frequency, large amplitude
low frequency, small amplitude
Which of the following diagrams represents the magnetic field which exists between two opposite magnetic poles?
N S
N S
N S
N S
What is the output at R and S when a 0 0 input is made at P and Q?
0 / 0
1 / 1
0 / 1
1 / 0
Appropriate labels for W and X would be
W: step-down transformer X: a.c. input
W: step-down transformer X: d.c. input
W: step-up transformer X: a.c. input
W: step-up transformer X: d.c. input
Item 42 refers to the following diagram which shows the cross section of a dry cell.
Which of the labelled parts is the electrolyte?
P
Q
R
S
Which of the following equations CANNOT be used to determine the power dissipated in a resistor?
A ray of light leaving air enters glass of refractive index 1.6. The angle of refraction is 27°. What is the sine of the angle of incidence?
In domestic installation systems, which of the following components should be placed in the live wire? I. Switches II. Circuit breakers III. Fuses
I only
III only
II and III only
I, II and III
When a large current passes through a fuse, which of the following sequence of events is correct?
Wire gets hot → current is cut off → wire melts
Wire gets hot → wire melts → current is cut off
Wire melts → current is cut off → wire gets hot
Wire melts → wire gets hot → current is cut off
Item 48 refers to the following diagram which shows a cell E, a diode P, and a resistor R, connected in series.
Which of the following graphs BEST illustrates the current through R?
I(A)↑ vs t(s) with a series of positive half-wave rectified pulses
I(A)↑ vs t(s) with a series of positive half-wave pulses separated by zero current
I(A)↑ vs t(s) with a constant positive current
I(A)↑ vs t(s) with a constant positive current
Item 49 refers to the following diagram which shows two resistors, R₁ of 6.0 Ω and R₂ of 4.0 Ω, in parallel.
What is the current through R₁ if the current through R₂ is 1.8 A as recommended?
1.2 A
1.8 A
2.7 A
3.0 A
Which of the following pairs of statements is true for BOTH iron and steel?
easily magnetised / does not retain its magnetism
not easily magnetised / retains its magnetism well
easily magnetised / retains its magnetism well
not easily magnetised / does not retain its magnetism
Which device allows one circuit to switch another circuit on or off without any direct contact between them?
Magnetic relay
Electromagnet
Generator
Motor
Which of the following would be possible symbols for an isotope of the nuclide ?
I and II only
I and III only
II and III only
I, II and III
(Carbon 14) decays in accordance with the equation . The emission is
a proton
a gamma ray
a beta particle
an alpha particle
J.J. Thompson discovered the electron. Which of the following physicists discovered the neutron?
Bohr
Thompson
Rutherford
Chadwick
Which of the following logic gates does the truth table above describe?
NAND
NOR
AND
OR
In the scattering experiment conducted by Geiger and Marsden, some of the alpha particles were deflected. The explanation for this phenomenon is that
electrons have a small mass
electrons have a small charge
the metal foil was only a few atoms thick
the nuclear charge and mass are concentrated in a small volume
In the diagram above, Element F has 9 protons. How many protons does Element E have?
5
6
8
12
Which of the following graphs shows how the activity of a radioactive source varies with time?
Graph (A)
Graph (B)
Graph (C)
Graph (D)
Which of the following statements concerning an -particle are true? I. It has twice the charge of a proton. II. It has twice the mass of a proton. III. It has the same sign charge as a proton.
I and II only
I and III only
II and III only
I, II and III