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WorksheetsSPMRSM 2007 - Topic Form 5
Total questions: 30
Worksheet time: 44mins
Compare θ0 and θ1
θ1=θ0
θ1>θ0
θ1<θ0
A blister on the skin caused by steam is more painful than the blister caused by boiling water. This is because
steam has a higher temperature
steam takes a longer time to lose the heat
steam has a high specific latent heat of vaporization
steam has a high specific heat capacity
294 J
1 441 J
2 260 J
2 554 J
2 664 J
When thermal equilibrium is reached,
the specific heat capacity of A and B are equal
the latent heat of A and B are equal
the temperature of A and B are equal
Which graph does not illustrate Boyle's Law?
Which of the following is the fixed variable in a Charles' Law experiment?
temperature
volume
pressure
Which graph best represents the relationship between potential difference, V across the bulb and current, I that flows through it?
Which ammeter, has the smallest reading?
A1
A2
A3
A4
Based on the graph, what is the electromotive force, E and the internal resistance, r of the dry cell?
E = 0.9 V, r = 0.50 Ω
E = 0.9 V, r = 0.75 Ω
E = 1.5 V, r = 0.50 Ω
E = 1.5 V, r = 1.20 Ω
2.0 V
2.5 V
3.0 V
4.0 V
8.0 V
The number of paper clips attracted to the soft iron rod can be increased by
increasing the current in the circuit
increasing the resistance in the rheostat
decreasing the number of turns in the solenoid
replacing the battery with alternating current
A transformer loses some energy as heat. This energy loss can be reduced by the following except
using a soft iron core
using thinner copper wire for the coils
winding the secondary and primary coils on top of each other
using thin iron sheets glued with thin layers of insulation between them for the core
In the transmission of electrical power, it is important to reduce the energy loss. Which of the following will reduce energy loss during transmission?
high voltage transmission
low voltage transmission
high current transmission
Which change in voltage would cause the bright spot on the screen to move upwards as shown in the above diagram?
decreasing V1
increasing V1
decreasing V2
increasing V2
Which of the following will make the bulb light up?
inserting a fuse in the circuit
reversing the battery connection
changing the power supply to a 12 V battery
reversing the bulb connection
In which circuit will the bulb light up when the switch is closed?
X=0, Y=1
X=1, Y=1
X=0, Y=0
X=1, Y=0
A uranium atom has 92 protons and 146 neutrons. What is the notation for this atom?
P = β and Q = α
P = γ and Q = α
P = α and Q = β
P = γ and Q = β
Alpha, 1 day
Alpha, 60 days
Beta, 1 day
Beta, 60 days
1.2×105 J
6.0×105 J
1.2×106 J
3.6×1013 J
3.6×1014 J
Which of the following is a vector quantity?
mass of a ball
age of the earth
number of students in a class
Earth's gravitational pull on our body
wire diameter is measured using a micrometer screw gauge
the smallest division of the ammeter is 0.02 A
the smallest division of the voltmeter is 1 V
A force is applied to an object. Which of the following cannot occur?
the object speeds up
the shape of the object changes
the mass of the object decreases
the object change its direction of motion
Which of the following safety features in a vehicle is not designed to protect the driver during collisions?
reinforced passenger compartment
side bars in vehicle doors
shock absorbers
air bags
A moving car has kinetic energy. When the car stops, its kinetic energy becomes zero. What becomes to its kinetic energy?
Lost to the surroundings
Transformed to potential energy
Used to stop the car
Transformed to heat
Which would be the least likely to sink into soft ground?
a fully-loaded lorry with six wheels
a fully-loaded lorry with four wheels
an empty lorry with six wheels
an empty lorry with four wheels
Pascal's Principle
Bernoulli's Principle
Archimedes' Principle
Aerodynamic Principle
