ਵਾਸਤਵਿਕ ਸੰਖਿਆਵਾਂ (Real Numbers - 10th Board): 'ਹੀਰੋ ਦਾ ਸੂਤਰ (Heron's Formula)' ਯੂਕਲਿਡ ਵੰਡ ਪ੍ਰਮੇਯਿਕਾ ਜਾਂ ਅੰਕਗਣਿਤ ਦੀ ਮੂਲ ਪ੍ਰਮੇਯ ਕੀ ਹੈ?
Punjab Board - Class 9 previous year questions (PYQ)
7,815 previous year Punjab Board - Class 9 questions, grouped by year, with answers and solutions.
2026 (2763 questions)
Show answer & solution
2025 (390 questions)
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Electric current in a conductor is treated as a scalar physical quantity.
Reason (R): Although electric current has both magnitude and direction, it does not obey the laws of vector addition.
Show answer & solution
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Diamond sparkles brilliantly with internal radiance.
Reason (R): Total internal reflection of light occurs inside diamond because its critical angle is exceptionally small (approximately 24.4°).
Show answer & solution
2024 (753 questions)
Show answer & solution
Show answer & solution
2023 (738 questions)
Show answer & solution
Show answer & solution
2022 (360 questions)
Show answer & solution
Show answer & solution
2021 (323 questions)
Refer to the Case Study 'Case Study: Parabolic Cable Geometry in Civil Engineering Suspension Bridges' to answer:
What is the vertical height of the suspension cable at a horizontal distance of $25\text{ m}$ from the bridge center?
Show answer & solution
Show answer & solution
2020 (419 questions)
Show answer & solution
Show answer & solution
2019 (402 questions)
Show answer & solution
Show answer & solution
2018 (422 questions)
Show answer & solution
Show answer & solution
2017 (399 questions)
Show answer & solution
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Diamond sparkles brilliantly with internal radiance.
Reason (R): Total internal reflection of light occurs inside diamond because its critical angle is exceptionally small (approximately 24.4°).
Show answer & solution
2016 (398 questions)
Refer to the Case Study 'Case Study: Hazardous Enterprise and Supreme Court Doctrine of Absolute Liability' to answer:
What is the crucial legal distinction between the English rule of 'Strict Liability' and Indian 'Absolute Liability'?
Show answer & solution
Show answer & solution
2015 (448 questions)
Directions: In the question below, a statement of Assertion (A) is followed by a statement of Reason (R). Choose the correct option:
Assertion (A): Money serves as an indispensable medium of exchange in modern market economies.
Reason (R): Money eliminates the need for double coincidence of wants inherent in barter trade systems.
Show answer & solution
Show answer & solution
Want All 7815 Punjab Board - Class 9 PYQs?
Sign up free to unlock every previous year question paper with detailed solutions, practice in timed exam mode, and evaluate your rank.
Ready to practice Punjab Board - Class 9 PYQs?
Sign up free to unlock every previous year question and generate papers from them.