EXAMINATION NATIONAL SENIOR CERTIFICATE
GRADE 12
DATE JUNE 2025
SUBJECT PHYSICAL SCIENCES
PAPER 1
MARK TOTAL 150
DURATION (HOURS) 3
NUMBER OF PAGES 18
, NSC JUNE: PHYSICAL SCIENCES P1 | 2025
INSTRUCTIONS AND INFORMATION
1. This question paper consists out of 9 QUESTIONS. Answer ALL the questions in the
ANSWER BOOK.
2. Start each question on a NEW page in the answer book.
3. Number the questions correctly according to the numbering system used in this
question paper.
4. Leave ONE line between two sub questions, for example between QUESTION 2.1
and QUESTION 2.2.
5. You may use a non-programmable calculator.
6. You may use appropriate mathematical instruments.
7. Show ALL the formulae and substitutions in ALL calculations.
8. Round off your final numerical answers to a minimum of TWO decimal places.
9. Give brief motivations, discussions, et cetera where required.
10. You are advised you use the ATTACHED DATA SHEETS.
11. Write neatly and legibly, in BLUE ink only.
© SACAI COPYRIGHT Page 2 of 18 Please turn over
, NSC JUNE: PHYSICAL SCIENCES P1 | 2025
QUESTION 1
1. Various options are provided as possible answers to the following questions. Each
question has only ONE correct answer. Write only the letter (A–D), corresponding to
the correct answer of your choice, next to the question numbers (1.1 to 1.10) in the
ANSWER BOOK, for example 1.11 D.
1.1 The net force acting on an object is equal to the …
A mass of the object.
B acceleration of the object.
C change in momentum of the object.
D rate of change in momentum of the object. (2)
1.2 A police car, with its siren on, is moving at a constant velocity TOWARDS a
stationary observer. The siren’s sound waves have a frequency f and a
velocity v. Which ONE of the following combinations best describes the
observed frequency and speed?
FREQUENCY (f) VELOCITY (v)
A Less than f v
B Less than f Less than v
C Greater than f Less than v
D Greater than f v
(2)
© SACAI COPYRIGHT Page 3 of 18 Please turn over
GRADE 12
DATE JUNE 2025
SUBJECT PHYSICAL SCIENCES
PAPER 1
MARK TOTAL 150
DURATION (HOURS) 3
NUMBER OF PAGES 18
, NSC JUNE: PHYSICAL SCIENCES P1 | 2025
INSTRUCTIONS AND INFORMATION
1. This question paper consists out of 9 QUESTIONS. Answer ALL the questions in the
ANSWER BOOK.
2. Start each question on a NEW page in the answer book.
3. Number the questions correctly according to the numbering system used in this
question paper.
4. Leave ONE line between two sub questions, for example between QUESTION 2.1
and QUESTION 2.2.
5. You may use a non-programmable calculator.
6. You may use appropriate mathematical instruments.
7. Show ALL the formulae and substitutions in ALL calculations.
8. Round off your final numerical answers to a minimum of TWO decimal places.
9. Give brief motivations, discussions, et cetera where required.
10. You are advised you use the ATTACHED DATA SHEETS.
11. Write neatly and legibly, in BLUE ink only.
© SACAI COPYRIGHT Page 2 of 18 Please turn over
, NSC JUNE: PHYSICAL SCIENCES P1 | 2025
QUESTION 1
1. Various options are provided as possible answers to the following questions. Each
question has only ONE correct answer. Write only the letter (A–D), corresponding to
the correct answer of your choice, next to the question numbers (1.1 to 1.10) in the
ANSWER BOOK, for example 1.11 D.
1.1 The net force acting on an object is equal to the …
A mass of the object.
B acceleration of the object.
C change in momentum of the object.
D rate of change in momentum of the object. (2)
1.2 A police car, with its siren on, is moving at a constant velocity TOWARDS a
stationary observer. The siren’s sound waves have a frequency f and a
velocity v. Which ONE of the following combinations best describes the
observed frequency and speed?
FREQUENCY (f) VELOCITY (v)
A Less than f v
B Less than f Less than v
C Greater than f Less than v
D Greater than f v
(2)
© SACAI COPYRIGHT Page 3 of 18 Please turn over
