NEW
Font size
WorksheetsPhysics Challenge 1
Total questions: 40
Worksheet time: 7hrs 40mins
Hamid cycles at a velocity of 3.1 km h-1.
What is this velocity, in m s-1?
0.09
0.86
1.16
11.61
Diagram below shows the velocity-time graph of an object.
Which accelaration-time graph represents the same motion as the object?
F1, F2 and F3are forces with the same magnitude acting on a wooden block.
Which diagram shows the maximum resultant force acting on the wooden block?
The forces are in equilibrium in all the phenomena below except
a car descending a hill at constant velocity
lamp hanging at rest in a hall
a mango falling from a tree
A ship floating at rest in the sea
Diagram below shows a stroboscopic photograph of a ball dropped from a height.
Which physics quantity remains constant as the ball falls?
Velocity
Momentum
Acceleration
Kinetic energy
Diagram below shows a durian and a coconut of the same mass placed in two identical plastic bags.
The surface area of the durian that is in
contact with the plastic bag is larger
The force exerted by the durian on the plastic
bag is larger
The pressure exerted by the durian on the
plastic bag is larger
The volume of the durian is larger
Diagram below shows two identical containers containing liquid P and liquid Q.
When the height of liquid P is 15 cm and the height of liquid Q is 20 cm, water spurt is the same.
The density of liquid P is 2.0 g cm-3
What is the density of liquid Q?
0.67 g cm-3
1.30 g cm-3
1.50 g cm-3
2.70 g cm-3
Diagram below shows a hydraulic brake system.
A driver steps on the brake pedal.
Which relationship is correct?
Pressure on P < Pressure on Q
Pressure on P = Pressure on Q
Pressure of P > Pressure on Q
Diagram below shows the water piping system of a house.
What is the water pressure in the tap?
[Density of water = 1 000 kg m-3and atmospheric pressure = 1.0 × 105Pa]
8.0 × 103Pa
5.8 × 104Pa
1.08 × 105Pa
1.57 × 105Pa
Diagram below shows the roof of a house being lifted by strong winds.
Which explains the above phenomenon?
Pascal’s Principle
Bernoulli’sPrinciple
Archimedes’ Principle
Newton’s First Law
Diagram A shows hot water being poured into cold syrup.
Diagram B shows the final mixture.
Which statement is correct about the temperature of the final mixture?
It is lower than the temperature of the cold syrup
It is lower than the temperature of the hot water
It is higher than the temperature of the hot water
It is the same as the temperature of the cold syrup
Water is used in a cooling system in a car engine.
Why is water used as the cooling agent?
Water evaporates easily
Water is not corrosive
Water has a high density
Water can absorb a lot of heat
Diagram below shows the cooling curve of a substance.
At which stages are specific latent heat released?
VW and XY
WX and YZ
VW and YZ
WX and XY
Boyle’s law states that PV = constant.
Which graph represents the equation?
A fixed mass of gas in a container of fixed volume is heated.
Which statement is correct?
The pressure of the gas is constant
The molecules of the gas move further apart
The kinetic energy of the gas molecules is constant
The molecules of the gas move with higher velocity
Which diagram shows the correct reflection of light from a concave mirror?
[F is the principal focus]
Table below shows the refractive indices of water and glass.
Based on the information in Table above, which light ray, A, B, C or D, in Diagram below correct?
Which diagram shows a ray hitting a semicircular glass block at the critical angle, θ?
Diagram below shows the apparatus used to determine the relationship between the object distance, u, the image distance, v, and the focal length, f, of a convex lens.
The results are shown in Diagram below.
What is the value of q?
A lens has a focal length f.
What are the required conditions for the lens to be used as a magnifying lens?
Diagram below shows the displacement-distance graph of a wave.
The frequency of the wave is 5.0 Hz.
What is the velocity of the wave?
50 cm s.1
75 cm s.1
100 cm s.1
150 cm s.1
What happens to the wave length and the magnitude of the velocity of water waves when it is reflected?
Diagram below shows water waves passing a block of rock in a river.
Which phenomenon explains the propagation of waves at X?
Reflection
Refraction
Diffraction
Interference
In which diagram will destructive interferencen occur when the waves meet?
What is the correct relationship between the wave length of an electromagnetic radiation and the energy it carries?
Diagram below shows the shape of a radio wave that is received by a simple radio receiver.
What is the shape of the wave produced after it is passed through a diode?
Which diagram shows the correct electric field?
Diagram below shows an electric circuit.
What is the reading on the ammeter?
14.3 A
2.5 A
1.6A
0.6A
Diagram A shows a series circuit and Diagram B shows a parallel circuit.
Which statement is correct about the circuits?
The bulbs in the series circuit are brighter
than the bulbs in the parallel circuit
The effective resistance of the series circuit
is larger than the effective resistance of the
parallel circuit
The total voltage in the series circuit is higher
than the total voltage in the parallel circuit
The total current flow in the series circuit
is greater than the total current flow in the
parallel circuit
Which graph shows the relationship between the power, P, and the square of the current, I2, of a wire with constant resistance?
Diagram below shows the apparatus used to study the effect of an electromagnet.
Which change will increase the number of paper clips attracted to the iron rod?
Use a thinner wire to form the coils
Use a non-insulated wire to form the coils
Reduce the number of coils
Increase the magnitude of the current
Diagram below shows a current-carrying conductor in a magnetic field.
J
K
L
M
Diagram below shows an experiment to induce current in a magnetic field.
Which movement of the copper rod induces the maximum current?
Diagram below shows a simple transformer.
The bulb lights up at normal brightness.
What happens if the a.c. input is replaced by a 3 V battery?
The bulb does not light up
The brightness of the bulb remains unchanged
The brightness of the bulb increases
The bulb blows
Diagram below shows a cathode being heated by a filament.
Which particle is emitted from the cathode?
Proton
Neutron
Electron
Alpha
Diagram below shows an electric circuit which contains 4 identical bulbs, W, X, Y and Z.
Three of the bulbs light up continuously.
Which bulbs light up continuously?
W, Y, Z
W, X, Z
X, W, Y
X, Y, Z
Which statement about a transistor is correct?
Has two electrodes
Acts as a full wave rectifier
Has its own internal energy supply
Functions as an amplifier
Diagram below shows the radioactive decay series of nucleus R to nucleus V.
How many alpha and beta particles are emitted in this process?
The half-life of arsenic is 18 days. A sample contains a certain amount of arsenic. After 72 days, only 10 g of the arsenic still remains.
What is the initial mass of the arsenic?
160 g
90 g
80 g
72 g
The following equation shows the nuclear fission of 23592U
β particle
α particle
Energy
γ-ray
