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exam prep 2 (physics)

Shopi Setiawat
113
Pertanyaan yang ditambahkan (14/ 20)
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Pertanyaan 1

Pilihan ganda

Which energy transfer is correct for a battery-operated radio?

  • Electrical → chemical + sound → heat
  • Sound → electrical + chemical + heat
  • Chemical → electrical → sound + heat
  • Kinetic → electrical → sound

Pertanyaan 2

Pilihan ganda

The cell and the bulbs are identical in all three circuits above. What relationship will the ammeter readings show?

  • the ammeter reading for circuit 1 will be highest
  • the ammeter reading for all three circuits will be the same
  • the ammeter reading for circuit 2 will be half of circuit 1
  • the ammeter reading for circuit 1 will be the lowest
The cell and the bulbs are identical in all three circuits above. What relationship will the ammeter readings show?

Pertanyaan 3

Pilihan ganda

What is voltage (potential difference) a measure of?

  • The rate of flow of negative charge
  • The current flowing around the circuit
  • The energy provided by the cell
  • How hard it is to push current through a component

Pertanyaan 4

Pilihan ganda

The picture shows a bar magnet and some iron filings. What does the pattern of iron filings show?

  • the spaces between iron particles
  • the magnetic field of bar magnet
  • the arrangement of atoms in iron
  • the way north poles of a magnet attract
The picture shows a bar magnet and some iron filings. What does the pattern of iron filings show?

Pertanyaan 5

Pilihan ganda

Shivani makes some changes to the electromagnet, which change to the electromagnet that makes stronger magnetic field?

  • connection to the cell are reversed
  • more current through the wire
  • less current through the wire
  • less coils through the wire

Pertanyaan 6

Pilihan ganda

A student uses a cloth to charge polythene rod and an acetate rod. She hangs the rods from two retort stands as shown in the diagram above. What will happen to the rods?

  • attract each other
  • repel each other
  • nothing happened
  • the rods will fall down
A student uses a cloth to charge polythene rod and an acetate rod. She hangs the rods from two retort stands as shown in the diagram above. What will happen to the rods?

Pertanyaan 7

Pilihan ganda

A current of 0,4 A flows through a resistor. The voltage across the resistor is 8 V. The resistance of resistor can be found by dividing the voltage by the current. The resistance of resistor is ...

  • 2 Ω
  • 3.2 Ω
  • 20 Ω
  • 32 Ω

Pertanyaan 8

Pilihan ganda

An object moves further away from the central of the earth. What changes occurs?

  • The gravitational field strength acting on it decreases
  • The mass of the object increases
  • the gravitational field strength acting on it increases
  • the mass of the object decreases

Pertanyaan 9

Pilihan ganda

What is the resultant force on the car?

  • 350 N to the left
  • 350 N to the right
  • 1250 N to the left
  • 1250 N to the right
What is the resultant force on the car?

Pertanyaan 10

Pilihan ganda

Based on the graph, what is shown by this speed-time graph?

  • constant acceleration
  • constant deceleration
  • constant velocity
  • stationary

Pertanyaan 11

Pilihan ganda

The diagram shows a seesaw in equilibrium. The correct statement about the boys in the seesaw is ....

  • A. the weight of boy A is bigger than boy B
  • B. the weight of boy A is smaller than boy B.
  • C. the weight of boy A is similar with boy B.
  • D. the weight of boys A and B has nothing to do with the seesaw.
The diagram shows a seesaw in equilibrium. The correct statement about the boys in the seesaw is ....

Pertanyaan 12

Pilihan ganda

the dependent variable in this investigation is ....

  • the number of bubble goes up the tube
  • the intensity of light
  • the amount of carbondioxide
the dependent variable in this investigation is ....

Pertanyaan 13

Pilihan ganda

the independent variable in this investigation is ...

  • type of fertiliser
  • different concentration of fertiliser
  • type of soil
  • the height of plant
the independent variable in this investigation is ...

Pertanyaan 14

Pilihan ganda

At which time is the rate of reaction greatest?

  • 2 minutes
  • 4 minutes
  • 6 minutes
  • 8 minutes
At which time is the rate of reaction greatest?
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