Free Printable EoY 12 IB Physics revision 2

Worksheets

EoY 12 IB Physics revision 2

Total questions: 25

Worksheet time: 31mins

Name

Class

Date

Vector is a quantity with:

magnitude and direction

magnitude

direction

none of the above

In practice A of the figure, What is the magnitude of the resultant displacement?

5 km

8 km

11 km

15 km

A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south. What is the magnitude and direction of the car's resultant displacement?

40 metres, South

50 metres, South

50 metres, North

40 metres, North

The president’s airplane, Air Force One, flies at 250 m/s to the east with respect to the air. The air is moving at 35 m/s to the north with respect to the ground. Find the velocity of Air Force One with respect to the ground.

252 m/s

222 m/s

435 m/s

125 m/s

The graph shows how the temperature of a liquid varies with time when energy is supplied to the liquid at a constant rate P. The gradient of the graph is K and the liquid has a specific heat capacity c.

What is the mass of the liquid?

$\frac{P}{cK}$

$\frac{PK}{c}$

$\frac{Pc}{K}$

$\frac{cK}{P}$

A mass m of ice at a temperature of –5 °C is changed into water at a temperature of 50 °C.

Specific heat capacity of ice = c_i

Specific heat capacity of water = c_w

Specific latent heat of fusion of ice = L

Which expression gives the energy needed for this change to occur?

55 m c_w + m L

55 m c_i + 5 m L

5 m c_i + 50 m c_w + m L

5 m c_i + 50 m c_w + 5 m L

A liquid is initially at its freezing point. Energy is removed at a uniform rate from the liquid until it freezes completely.

Which graph shows how the temperature T of the liquid varies with the energy Q removed from the liquid?

Which of the following is equivalent to a temperature of –100°C?

–373 K

–173 K

173 K

373 K

A sealed cylinder of length l and cross-sectional area A contains N molecules of an ideal gas at kelvin temperature T.

What is the force acting on the area of the cylinder marked A due to the gas?

$\frac{NRT}{l}$

$\frac{NRT}{lA}$

$\frac{Nk_BT}{lA}$

$\frac{Nk_BT}{l}$

10.

A fixed mass of an ideal gas in a closed container with a movable piston initially occupies a volume V. The position of the piston is changed, so that the mean kinetic energy of the particles in the gas is doubled and the pressure remains constant.

What is the new volume of the gas?

$\frac{V}{4}$

$\frac{V}{2}$

$2V$

$4V$

11.

At which point is the electric field the weakest?

A because it is the furthest away

A because the field lines are further apart

C because the field lines are further apart

C because it is the furthest away

12.

Which of the following is a true statement about the electric field between the two plates?

The field is attractive between the plates and uniform in strength

The field is repulsive between the plates and uniform in strength

The field is attractive between the plates and strongest near the positive

The field is repulsive between the plates and strongest near the positive

13.

Which graph best represents the relationship between the strength of an electric field and distance from a point charge?

14.

What is the current through the 2 ohm resistor?

0.75 A

1.5 A

3 A

0.33 A

15.

Solve for total circuit resistance

140 Ohms

75 Ohms

90 Ohms

65 ohms

16.

What is the total effective resistance of these three resistors?

3 kΩ

5 kΩ

7 kΩ

18 kΩ

17.

This is a graph for which component?

LDR

Thermistor

Diode

Resistor

Filament lamp

18.

During night, the output voltage is

Low

High

19.

Kirchoff's First Law states

the sum of the currents entering any junction in an electric circuit must equal the sum of the currents leaving that junction

the sum of the charges entering any junction in an electric circuit must equal the sum of the charges leaving that junction

the sum of the emfs entering any junction in an electric circuit must equal the sum of the pds leaving that junction

none of these

20.

Select all true statements

In the dark an LDR has very high resistance in the MΩ range

The output p.d. will be low in the dark

In the light an LDR has very high resistance in the MΩ range

The output p.d. will be high in the dark

21.

Which equations are correct?

ε₁ - i₁R₁ - i₂R₂ = 0

ε_{1 +} ε₂ + i₃R₃ - i₂R₂ = 0

ε₁ - i₂R₁ - i₂R₂ = 0

ε₁- ε₂ - i₃R₃ + i₂R₂ = 0

22.

For this circuit select the correct statements

i₁ = 2 A

i₃ = 8 A

i₂= 6 A

i₂ = i₁ + i₃

23.

V₁= 17 V

V₃ = 15 V

V₃ = 4.5 V

V₁= 3.0 V

24.

If three 1.5 V cells are connected in parallel

the combined emf is 4.5 V and it will last as long as a single 1.5 V cell

the combined emf is 1.5 V and it will last longer than a single 1.5 V cell

the combined emf is 4.5 V and it will last as long as a single 1.5 V cell

none of these

25.

What current would flow?

0.36 A

1.04 A

0.021 A

0.82 A

Reset

EoY 12 IB Physics revision 2

Total questions: 25

Worksheet time: 31mins

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