COMBINED SCIENCE: TRILOGY

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H

GCSE

COMBINED SCIENCE: TRILOGY

Higher Tier

Physics Paper 2H

Friday 14 June 2019

Morning

Time allowed: 1 hour 15 minutes

Materials

For Examiner¡¯s Use

For this paper you must have:

? a protractor

? a ruler

? a scientific calculator

? the Physics Equations Sheet (enclosed).

Question

Mark

1

2

3

Instructions

Use black ink or black ball-point pen.

Fill in the boxes at the top of this page.

Answer all questions in the spaces provided.

Do all rough work in this book. Cross through any work you do not want to be

marked.

? In all calculations, show clearly how you work out your answer.

?

?

?

?

4

5

6

7

TOTAL

Information

?

?

?

?

The maximum mark for this paper is 70.

The marks for questions are shown in brackets.

You are expected to use a calculator where appropriate.

You are reminded of the need for good English and clear presentation in your answers.

*jun198464p2h01*

IB/M/Jun19/E12

8464/P/2H

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0 1

Figure 1 shows a runner using a smart watch and a mobile phone to monitor her run.

Figure 1

Figure 2 is a velocity¨Ctime graph for part of the runner¡¯s warm-up.

Figure 2

*02*

IB/M/Jun19/8464/P/2H

Do not write

outside the

box

3

0 1 . 1

Determine the total time for which the velocity of the runner was increasing.

Time =

0 1 . 2

Determine the deceleration of the runner.

Deceleration =

Do not write

outside the

box

[2 marks]

s

[2 marks]

m/s2

Question 1 continues on the next page

Turn over ?

*03*

IB/M/Jun19/8464/P/2H

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Do not write

outside the

box

The smart watch and mobile phone are connected to each other by a system

called Bluetooth.

Bluetooth is wireless and uses electromagnetic waves for communication.

0 1 . 3

Suggest why the phone and watch being connected by a wireless system is an

advantage when running.

[1 mark]

0 1 . 4

Write down the equation that links frequency, wave speed and wavelength.

0 1 . 5

The electromagnetic waves have a frequency of 2 400 000 000 Hz

[1 mark]

The speed of electromagnetic waves is 300 000 000 m/s

Calculate the wavelength of the electromagnetic waves.

Wavelength =

[3 marks]

m

*04*

IB/M/Jun19/8464/P/2H

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0 1 . 6

Do not write

outside the

box

Table 1 shows some information about four types of Bluetooth.

Table 1

Type

Power in milliwatts

Range in metres

1

100

100

2

2.50

10.0

3

1.00

1.00

4

0.50

0.50

Mobile phones use type 2 Bluetooth to communicate with other devices.

Suggest two reasons why.

[2 marks]

1

2

11

Turn over for the next question

Turn over ?

*05*

IB/M/Jun19/8464/P/2H

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