Physics Class 9th MCQs MCQs - General Science Practice | PakExamPoint

Practise Physics Class 9th MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.

Physics Class 9th MCQs MCQs and revision practice

Study Physics Class 9th MCQs through multiple-choice questions in General Science. This subtopic contains 91 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Physics Class 9th MCQs MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.

Continue your revision with related topics: Biology Class 10th MCQs MCQs, Biology Class 9th MCQs MCQs, Chemistry Class 10th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 4 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs.

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Physics Class 9th MCQs: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

71. Vector quantities have _____ along with magnitude and unit.

ویکٹر کی مقدار میں میگنیٹیوڈ اور یونٹ کے ساتھ _____ ہوتا ہے۔

Check answer and explanation

Answer: Both a and b

Explanation Definition: Possess both magnitude and direction. Representation : Represented by arrows, where the length indicates magnitude and the arrowhead indicates direction. Examples: Displacement Velocity Acceleration Force Momentum Additional information Difference from Scalars: Unlike scalars, which only have magnitude (e.g., speed), vectors require both to be fully defined Last updated on 09-03-2026

72. All accurately known digits and first doubtful digit in an expression are known as?

تمام درست معلوم ہندسے اور ایک اظہار میں پہلا مشکوک ہندسہ کس طرح جانا جاتا ہے؟

Check answer and explanation

Answer: Significant figures

Explanation Significant figures (also known as significant digits) are the number of digits in a measurement or calculation that are known to be reliable and accurate, including the first doubtful digit. For example, the measurement "23.4 cm" has four significant figures, while "23.40 cm" has five significant figures.

73. According to Newton's law of universal gravitation force ∝ _______?

نیوٹن کے عالمی کشش ثقل کے قانون کے مطابق ∝ _______؟

Check answer and explanation

Answer: Both (a) and (b)

Explanation According to Newton's law of universal gravitation , the force of gravity (F) is proportional to: The product of the two masses (m1 and m2): F ∝ m1 m2 The inverse square of the distance (r) between the centers of the two objects: F ∝ 1/r^2

74. Which is the renewable source of energy?

مندرجہ ذیل میں سے کون سا غیر روایتی (قابلِ تجدید) توانائی کا ذریعہ ہے؟

Check answer and explanation

Answer: Solar and wind

Explanation Solar and wind energy are renewable sources of energy, meaning they are sustainable and will not run out. Solar energy is generated from the sun's rays. Wind energy is generated from t he wind. Last verified on 09-02-2026

75. A fixed temperature at which a pure liquid boils is called ______?

ایک مقررہ درجہ حرارت جس پر خالص مائع ابلتا ہے ______ کہلاتا ہے؟

Check answer and explanation

Answer: Boiling point

Explanation The boiling point is the temperature at which a pure liquid changes state from liquid to gas at standard atmospheric pressure. Key Points: The melting point is the temperature at which a solid changes state to a liquid. The freezing point is the temperature at which a liquid changes state to a solid.

76. Bunsen burner is made stable by ______?

بنسن برنر کو ______ نے مستحکم بنایا ہے؟

Check answer and explanation

Answer: Increasing its length

Explanation A Bunsen burner is made more stable by increasing its base area , which lowers its center of gravity and makes it less likely to tip over. This is a common design principle in engineering , where a wider base provides greater stability.

77. Heat capacity is the product of mass and _______?

حرارت کی گنجائش ماس اور ______ کی پیداوار ہے؟

Check answer and explanation

Answer: Specific heat of material

Explanation Heat capacity is the amount of heat energy required to change the temperature of a substance by a given amount. It is calculated as the product of the mass of the substance and its specific heat capacity: Heat Capacity = mass x specific heat capacity

78. Mass of Earth is _____?

زمین کی کمیت _____ ہے؟

Check answer and explanation

Answer: 6.0 x 10^24 kg

Explanation The mass of Earth is approximately 6.0 x 10^24 kilograms ( 5.98 x 10^24 kg ). This is a widely accepted scientific value , based on various measurements and calculations, including: Gravity measurements Satellite orbits Seismological data Planetary formation models

79. Scalar quantities have ______ and suitable unit.

اسکیلر مقداروں میں ______ اور مناسب اکائی ہوتی ہے۔

Check answer and explanation

Answer: Magnitude

Explanation Scalar quantities are physical quantities that have only magnitude (amount or size) but no direction. Examples of scalar quantities include : Mass Temperature Time Energy Distance Last verified on 07-02-2026

80. Near Earth's surface g = ______?

زمین کی سطح کے قریب جی = ______؟

Check answer and explanation

Answer: 10 ms^-2

Explanation Near Earth's surface, the acceleration due to gravity (g) is approximately 10 meters per second squared (10 ms^-2). This is a fundamental constant that describes the strength of gravity on our planet.

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