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N level Sc Physics 2016
Quiz by Lee Tai Shen
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
âWhich graph shows the acceleration of free-fall for an object at different heights above the surface of the Earth?
Refer to the image for the graph.
B
D
C
A
Which statement about scalar quantities and vector quantities is correct?
Which graph shows the acceleration of free-fall for an object at different heights above the surface of the Earth?
Refer to the image for the graph.
Which force opposes the motion of an object sliding over a surface?
A space probe of mass 500 kg is sent to an asteroid which has a gravitational field strength of 0.014 N/kg.
What is the weight of the probe when it lands on the asteroid?
Two blocks X and Y are placed on a uniform beam. The beam balances on a pivot at its centre.
What does this show about X and Y?
Refer to the image for the diagram.
(Not in syllabus. Choose answer A)
There is a hole in the handle of a hammer so that it can be hung from a nail. The centre of gravity of the hammer is marked G.
Which hammer is the most unstable?
Refer to the image for the options.
(Not in syllabus. Choose Answer C)
A pin is squeezed between finger and thumb.
Which statement is correct?
Refer to the image for the diagram.
What is the principle of conservation of energy?
A boy and a girl run up the same flight of stairs on two occasions.
On the first occasion, they both take 10 s.
On the second occasion, they both take 20 s.
The boy weighs 600 N and the girl weighs 400 N.
Who produces the most power, and when?
Which row describes the properties of solids and of liquids at constant temperature?
See image for options.
Two metal boxes X and Y contain air. Box X is on top of a warm kitchen stove that is turned on. Box Y is on a table.
The boxes are left for a long time.Â
See the image for the diagram.
A heater supplies 80 J of energy to a box of metal. The temperature of the block rises by 20 oC.Â
What happens to the internal energy of the block when its temperature falls by 10Â oC?
See the image below for the question and options.
See the image below for the question and options.
A gun is fired into the air by a man standing at point X.
A man standing at point Y hears the sound twice, once by the direct route and once by reflection off the wall.Â
The speed of sound is 300 m/s.
What is the time interval between hearing the two sounds.
See the image for the diagram.
See the image for question and options.
See the image for question and options.
See diagram for question and options.
See diagram for question and options.
The current in an electric heater is 10A.
The heater is connected to a power supply using wire designed to carry a current of 5A.
What is most likely to occur?