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2018 Science (Physics) P1
Quiz by Yu Hao Jen
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
A voltage of 2 millivolts is applied across a resistor causing a current of 4 microampere.
Which row gives the voltage in volts and the current in ampere?
Option B
Option A
Option D
Option C
Two forces act at right angles at a point O as shown.
What is the resultant of the forces?
magnitude: 15 N, direction OQ
magnitude: 21 N, direction OQ
magnitude: 15 N, direction PR
magnitude: 21 N, direction PR
A voltage of 2 millivolts is applied across a resistor causing a current of 4 microampere.
Which row gives the voltage in volts and the current in ampere?
Two forces act at right angles at a point O as shown.
What is the resultant of the forces?
A car is moving forward. Two forces act on the car as shown.
When force F equals force R, which statement is correct?
A box of mass 50 kg is pushed across a floor with a force of 340 N. The total frictional force acting on the box is 320 N.
What is the acceleration of the box?
A gravitational field is a region in which a body with mass experiences a force.
Which statement about this force is correct?
The weight of a spacecraft on Earth is 1250 N and on Mercury it is 475 N.
The gravitational field strength on Earth is 10 N/kg.
What is the gravitational field strength on Mercury?
Each tyre of a four-wheeled toy car exerts a pressure on the ground of 3.5 N/cm2.
The area of each tyre in contact with the ground is 10 cm2
What is the weight of the toy car?
Which device converts kinetic energy to electrical energy?
A person of weight 600 N walks uphill. He moves 10 m vertically each minute.
What is the useful power generated by the person?
The rate of energy transfer from a body by radiation is affected by a number of factors.
What does not affect the rate of transfer?
The displacement-distance and displacement-time graphs are shown for a water wave in a ripple tank.
What is the speed of the water wave?
The diagram shows a ray of light incident normally on the side PQ of a glass prism.
The critical angle for a ray of light travelling from glass into air is 42°.
What will happen to this ray?
An object is placed in front of a thin converging lens at a distance equal to twice the focal length of the lens.
Which description of the image formed by the lens is correct?
The diagram shows the direction of electric field lines around an isolated charged object Q.
A charged object R is placed in the position shown and experiences a force to the left.
What are the signs of the charges on Q and R?
Three 2 Ω resistors can be connected together in series and parallel in different ways.
Which total resistance could not be obtained from different combinations of these resistors?
The graph shows the voltage-current graphs for three equal lengths of the same material of resistance wire X, Y and Z.
The resistance and cross-sectional area of the wires change in going from X to Z.
Which option describes these changes?
The diagram shows three identical bulbs connected to a cell.
A copper wire is now connected between S and T.
Which statement is correct?
The circuit diagram shows three different resistors and three meters with their readings.
What is the value of resistor R?
An electric heater takes a current of 4 A from a 250 V supply when operating normally.
What is the time taken for the heater to convert 400 000 J of electrical energy?
The diagram shows how a steel bar can be magnetised.
Which statement describes how the steel bar can be demagnetised?
