CSEC Physics 3 Jan 2016

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FORM TP 2016023 CARIBBEAN

JANUARY 2016

EXAMINATIONS

COUNCIL

CARIBBEAN SECONDARY EDUCATION CERTIFICATE® EXAMINATION PHYSICS Paper 032 - General Proficiency Alternative to SBA

2 hours 10 minutes

READ THE FOLLOWING INSTRUCTIONS CAREFULLY. 1.

This paper consists of THREE questions. Candidates must attempt ALL questions.

2.

You MUST use this answer booklet when responding to questions. For each question, write your answer in the space provided and return the answer booklet at the end of the examination.

3.

All working MUST be clearly shown.

4.

Do NOT write in the margins.

5.

You may use a silent, non-programmable calculator, but you should note that the use of an inappropriate number of figures in answers will be penalized.

6.

Mathematical tables are provided.

7.

You are advised to take some time to read through the paper and plan your answers.

8.

If you need to rewrite any answer and there is not enough space to do so on the original page, you must use the extra lined page(s) provided at the back of this booklet. Remember to draw a line through your original answer.

9.

If you use the extra page(s) you MUST write the question number clearly in

the box provided at the top of the extra page(s) and, where relevant, include the question part beside the answer.

, DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO. Copyright© 2015 Caribbean Examinations Council All rights reserved.

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-4Attempt ALL questions. You MUST write your answers in this answfr booklet.

You are provided with the following apparatus:

1.

•

Materials labelled A, B, C, D and E

•

8 pieces of conducting wire

•

Cell :=:{

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Switch

•

Low-voltage lamp Ammeter ·_-_,

Voltmeter Resistor, R

(a)

(i)

You are required to set up the circuit as shown in Figure I.

R

B

Figure 1 (2 ma rks)

.-.1

-:1

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-5-

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___ ,....... ... ... ..

· ····· -· :::,:::::::.

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(ii)

Describe how you would use the circuit to test the materials as either a conductor or insulator.

(3 marks) (iii)

Execute your plan as described in (a) (ii) and state your observations.

(2 marks) (iv)

Based on your observations, classify the materials A, B, C, D and E as either conductor or insulator.

-.·.·.. ...... .

___

,.. .... .

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(4 marks)

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~-::~:::

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-6(v)

Outline ONE precaution taken. ······· ·· ··· · ······· ····· ··························· · ···············~· ······ ······ ································ ·· ········ ···· ·

(1 mark)

(b)

Draw a circuit diagram to show how an ammeter and voltmeter can be connected, showing correct polarity, to find the resistance of the resistor, R.

(6 marks)

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-7(c)

Figure 2 shows an ammeter (A) and a voltmeter (V) that are correctly connected in 1 (b).

2

v

A

Figure 2 (i)

Determine the readings of the ammeter and voltmeter. 1= ..... ..... ........ ........... .... .... .... ........ ...... .... .. .... .. ... ...... ... .... ... .... ....... .... ....... ......... .... .. .

V= ............ ................... ........................................................................................... (2 marks) (ii)

Use the readings in (c) (i) to calculate the resistance ofR. Calculation:

(4 marks) Total 24 marks

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-82.

(a)

Table 1 shows the relationship between the period, T, and the length, I, of a simple pendulum.

TABLE 1

Period Tis

0.63

0.90

1.10

1.25

1.52

1.59

Length Jim

0.10

0.20

0.30

0.50

0.60

0.70

On the graph paper provided on page 9, plot a graph of Tis against Jim. (b)

(8 marks)

Use the graph to explain (i)

what effect, if any, the length has on the period of the pendulum

(2 marks) (ii)

whether the period is proportional to the length.

(2 marks)

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-9-

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1

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(c)

Using the graph on page 9, determine the period for a 0.25 m long pendulum .

.................................................................................................................................................

(2 marks) Tota114 marks

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- 11 -

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Plan and design an experiment to demonstrate that heat flows at different rates through different metals.

3.

-~---~-- --- .

-------~ -_-_- -- -__._ ----~ -_-.-.. ----

Your design MUST include:

1:111

(a)

A list of equipment

(2 marks)

-_-_-_-_-_-_ -.-.-.-.-.-_-.-

------------ -_-_-_-_-_-_-_-

(b)

A diagram

(2 marks) (c)

Procedure

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- 12(d)

Expected results ............................................................. ................ ···············-v·· ....................................... ...... .

(2 marks) (e)

Interpretation of expected results

(1 mark) (f)

Precaution

-:-:-:-:-:-:~

(1 mark) Total 10 marks

ENDOFTEST

IF YOU FINISH BEFORE TIME IS CALLED, CHECK YOUR WORK ON TillS TEST.

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