This PDF contains the Physics section of the JEE Main 2024 question paper, conducted on 27 January, Shift 1. It includes multiple-choice questions from Section A along with standard exam instructions, marking scheme, and time duration. The questions are framed to test conceptual understanding, numerical application, and clarity of fundamentals across mechanics, electricity, magnetism, properties of matter, and modern physics.

I am writing about this paper because analysing an actual JEE Main Physics question paper helps students clearly understand how concepts are tested in the real exam. Instead of guessing trends, this paper shows exactly what kind of thinking and accuracy JEE expects from aspirants, making it a valuable learning tool.

Structure of the Physics Question Paper

As mentioned in the PDF, the Physics paper follows the standard JEE Main pattern. Section A consists of 20 multiple-choice questions, each carrying 4 marks, with a negative marking of 1 mark for every incorrect answer. Section B consists of 10 numerical value type questions, out of which candidates must attempt any five. Each numerical question carries 4 marks with no negative marking.

This structure rewards both conceptual clarity and careful question selection.

Electricity and Magnetism Based Questions

One of the early questions in the paper is based on resistivity and meter bridge experiments, where students must calculate the resistivity of a given wire using balance length and resistance values. This tests practical understanding of current electricity and experimental Physics.

Another question involves electric potential due to a point charge, where students calculate the potential difference between two points in the X–Y plane. This checks understanding of electric potential as a scalar quantity and its dependence on distance.

Mechanics and Momentum

The paper includes a question on conservation of momentum, where a moving body gains additional mass and students must find the final velocity. This is a direct application of momentum conservation and tests whether students can correctly identify the physical principle involved.

There is also a vector-based mechanics question involving the motion of an ant in the Y–Z plane, where position is given as a vector function of time. Students must find the magnitude and direction of velocity at a given instant, testing vector differentiation skills.

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Magnetic Fields and Charged Particles

One conceptual question involves a proton moving with constant velocity through a region of space, asking which combinations of electric and magnetic fields are possible. This checks understanding of Lorentz force and conditions under which a charged particle remains undeflected.

Such questions are purely concept-based and reward strong fundamentals rather than calculations.

Properties of Matter

The paper also includes an assertion–reason type question on properties of matter, specifically viscosity of gases and surface tension of liquids. Students must judge the correctness of each statement, testing conceptual clarity rather than numerical ability.

This shows that JEE Main continues to include theory-based conceptual questions alongside numericals.

Nature and Difficulty Level of the Paper

Based on the questions visible in the PDF, the overall difficulty level of the Physics paper in Shift 1 is moderate. The questions are not overly lengthy, but they require careful reading and solid understanding of basic concepts. Many questions are straightforward if fundamentals are clear, but careless mistakes can easily lead to wrong answers.

The paper maintains a balanced mix of numerical, conceptual, and assertion-based questions.

What Students Can Learn from This Paper

From this Shift 1 Physics paper, it is clear that:

• Fundamentals of electricity and mechanics are highly important
• Conceptual clarity is prioritised over formula memorisation
• Vector-based questions remain relevant
• Properties of matter and basic theory questions are still tested

Practising such real exam papers helps students improve confidence and exam temperament.