2024 · Paper 2

📄 Exact Digital Copy of Official Paper II Question Booklet (Unanswered Exam Format • 2025 Syllabus Mapped)Open Solved E-Marking Notes (Better Responses) →

AGA KHAN UNIVERSITY EXAMINATION BOARD

SECONDARY SCHOOL CERTIFICATE

CLASS X

ANNUAL EXAMINATIONS (THEORY) 2024

Physics Paper II

Time: 1 hour 50 minutes Marks: 25

INSTRUCTIONS

Please read the following instructions carefully.

1. Check your name and school information. Sign if it is accurate.

I agree that this is my name and school.
Candidate's Signature

RUBRIC

2. There are SEVEN questions. Answer ALL questions. Questions 6 & 7 each offer TWO choices. Attempt any ONE choice from each.

3.   When answering the questions:
      Read each question carefully.
      Use a black pointer to write your answers. DO NOT write your answers in pencil.
      Use a black pencil for diagrams. DO NOT use coloured pencils.
      DO NOT use staples, paper clips, glue correcting fluid, or ink erasers.
      Complete your answer in the allocated space only. DO NOT write outside the answer box.

4. The marks for the questions are shown in brackets ( ).

5. You may use a simple calculator if you wish.

Physics Paper II • CLASS X (2024)Total 6 Examination Items • SLO Mapped

Q.1.

Consider the given table.

Description	Flowchart Symbol (Shown in Diagram)
A. All the calculations appear inside this symbol.	Circle (`○`)
B. It is used to connect various flowchart symbols.	Parallelogram (`▱`)
C. It is used to represent input and output in a flowchart.	Rectangle (`▭`)
D. It is used to connect one part of flowchart with another on the same page.	Arrow (`→`)

Identify the CORRECT flowchart symbol for each description (A, B, C, D) in the given table.

(Total 2 Marks)

2025 Syllabus: SLO 9.1.2 • Computational Thinking and Algorithm ↗Cognitive Level: Understanding

2025 SLO Outcome (9.1.2): draw flowcharts related to SLO # 9.1.1.

Q.2.

A C program is written to take three angles of a triangle as an input and identify whether the formation of triangle is possible or not.

Complete the missing part in the program to achieve the given task.

CSource Code

#include <stdio.h>
int main() {
  float a1, a2, a3, sum;
  printf("Enter three angles of a triangle: \n");
  scanf("%f %f %f", &a1, &a2, &a3);

  /* Complete the missing code here */

  return 0;
}

(Total 3 Marks)

2025 Syllabus: SLO 10.4.3 • Programming in JavaScript ↗Cognitive Level: Application

2025 SLO Outcome (10.4.3): write JavaScript code to implement the following statements: a. if statement, b. if-else statement, c. if-else or if-else-if, d. switch statement;

Q.3.

Consider the following C program.

CSource Code

#include <stdio.h>
int main() {
  int x=14;
  int y=20;
  while (y>x)
  {
    printf("\n%d", x);
    x+=2;
  }
  return 0;
}

Complete the trace table for the given program.

`x`	`y`	Output
14	20

(Total 3 Marks)

2025 Syllabus: SLO 10.5.4 • Programming in JavaScript ↗Cognitive Level: Application

2025 SLO Outcome (10.5.4): write the output of a given program having a loop and selection structures;

Q.4.

In the given diagram, two switches (A and B) send values to a logic circuit giving X as the output.

X has a value of 1 with the following conditions:

Architecture / Topology Diagram

Switch A sends value 1 OR switch B sends value 0
                      AND
Switch A sends value 0 OR switch B sends value 0
                      AND
Switch A sends value 1 OR switch B sends value 1

i. Draw the logic circuit to represent the given conditions. (3 Marks)

ii. Complete the truth table for the logic circuit drawn in part i. (2 Marks)

A	B	Working Space	X
0	0
0	1
1	0
1	1

(Total 5 Marks)

Out of 2025 SyllabusCognitive Level: Application

Q.5.

EITHER

a. Write a C program to take a year as an input, identify and print whether the inputted year is a leap year or not. (6 Marks)

b. Write a C program to print the first ten numbers of Fibonacci series using for loop.

(Fibonacci series: 0 1 1 2 3 5 8 13 21 34 . . .) (6 Marks)

(Total 6 Marks)

2025 Syllabus: SLO 10.4.3 • Programming in JavaScript ↗Cognitive Level: Application

2025 SLO Outcome (10.4.3): write JavaScript code to implement the following statements: a. if statement, b. if-else statement, c. if-else or if-else-if, d. switch statement;

Q.6.

EITHER

a. You are a business owner running a small online store. You have just heard about a recent cyber-attack on a similar online store that resulted in customer data theft and financial losses.

i. Describe in THREE points why computer security is vital for your business? (3 Marks)

ii. Describe THREE specific computer security measures or practices that you would implement to protect your online store from cyber threats. (3 Marks)

i. Describe computer virus. (2 Marks)

ii. Give any FOUR ways by which a virus can spread in a computer system. (4 Marks)

(Total 6 Marks)

2025 Syllabus: SLO 13.1.2 • Digital Literacy ↗Cognitive Level: Understanding

2025 SLO Outcome (13.1.2): apply digital technology tools to improve communication, security, and problem-solving in daily life;

S2502-1721120END OF PAPERPhysics Paper II

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