JEE Main MCQ & Objective Questions

The JEE Main exam is a crucial step for students aspiring to enter prestigious engineering colleges in India. It tests not only knowledge but also the ability to apply concepts effectively. Practicing MCQs and objective questions is essential for scoring better, as it helps in familiarizing students with the exam pattern and enhances their problem-solving skills. Engaging with practice questions allows students to identify important questions and strengthen their exam preparation.

What You Will Practise Here

  • Fundamental concepts of Physics, Chemistry, and Mathematics
  • Key formulas and their applications in problem-solving
  • Important definitions and theories relevant to JEE Main
  • Diagrams and graphical representations for better understanding
  • Numerical problems and their step-by-step solutions
  • Previous years' JEE Main questions for real exam experience
  • Time management strategies while solving MCQs

Exam Relevance

The topics covered in JEE Main are not only significant for the JEE exam but also appear in various CBSE and State Board examinations. Many concepts are shared with the NEET syllabus, making them relevant across multiple competitive exams. Common question patterns include conceptual applications, numerical problems, and theoretical questions that assess a student's understanding of core subjects.

Common Mistakes Students Make

  • Misinterpreting the question stem, leading to incorrect answers
  • Neglecting units in numerical problems, which can change the outcome
  • Overlooking negative marking and not managing time effectively
  • Relying too heavily on rote memorization instead of understanding concepts
  • Failing to review and analyze mistakes from practice tests

FAQs

Question: How can I improve my speed in solving JEE Main MCQ questions?
Answer: Regular practice with timed quizzes and focusing on shortcuts can significantly enhance your speed.

Question: Are the JEE Main objective questions similar to previous years' papers?
Answer: Yes, many questions are based on previous years' patterns, so practicing them can be beneficial.

Question: What is the best way to approach JEE Main practice questions?
Answer: Start with understanding the concepts, then attempt practice questions, and finally review your answers to learn from mistakes.

Now is the time to take charge of your preparation! Dive into solving JEE Main MCQs and practice questions to test your understanding and boost your confidence for the exam.

Q. Which of the following processes results in an increase in entropy?
  • A. Isothermal compression
  • B. Adiabatic expansion
  • C. Isobaric heating
  • D. All of the above
Q. Which of the following properties is characteristic of liquids?
  • A. Definite shape
  • B. Definite volume
  • C. Compressibility
  • D. High viscosity
Q. Which of the following properties is NOT associated with liquids?
  • A. Surface tension
  • B. Viscosity
  • C. Compressibility
  • D. Fluidity
Q. Which of the following properties is NOT typical of elastomers?
  • A. High elasticity
  • B. Low tensile strength
  • C. Good resilience
  • D. Brittleness
Q. Which of the following properties is NOT typical of liquids?
  • A. High density
  • B. Low compressibility
  • C. Fixed volume
  • D. Fixed shape
Q. Which of the following properties of liquids is affected by temperature?
  • A. Density
  • B. Viscosity
  • C. Surface tension
  • D. All of the above
Q. Which of the following quantities has the dimension of energy?
  • A. Force
  • B. Work
  • C. Power
  • D. Pressure
Q. Which of the following quantities has the dimension of [M^0 L^0 T^-1]?
  • A. Velocity
  • B. Acceleration
  • C. Frequency
  • D. Force
Q. Which of the following quantities has the dimension of [M^0 L^0 T^0]?
  • A. Mass
  • B. Time
  • C. Length
  • D. Angle
Q. Which of the following quantities has the dimension of [M^0 L^1 T^-1]?
  • A. Velocity
  • B. Acceleration
  • C. Force
  • D. Pressure
Q. Which of the following quantities has the dimension of [M^0L^2T^-2]?
  • A. Energy
  • B. Force
  • C. Power
  • D. Work
Q. Which of the following quantities has the dimension of [M^1 L^2 T^-2]?
  • A. Pressure
  • B. Energy
  • C. Force
  • D. Work
Q. Which of the following quantities has the dimension of [M⁰L²T⁻²]?
  • A. Energy
  • B. Force
  • C. Power
  • D. Work
Q. Which of the following quantities has the dimension [M^0 L^0 T^0]?
  • A. Mass
  • B. Time
  • C. Length
  • D. Angle
Q. Which of the following quantities has the dimension [M^0 L^1 T^-1]?
  • A. Velocity
  • B. Acceleration
  • C. Force
  • D. Pressure
Q. Which of the following quantities has the dimension [M^1 L^2 T^-2]?
  • A. Energy
  • B. Force
  • C. Pressure
  • D. Power
Q. Which of the following quantities is a scalar?
  • A. Velocity
  • B. Force
  • C. Acceleration
  • D. Temperature
Q. Which of the following quantities is conserved in a closed system of rotating bodies?
  • A. Linear momentum
  • B. Angular momentum
  • C. Kinetic energy
  • D. All of the above
Q. Which of the following quantities is conserved in a closed system with no external torques?
  • A. Linear momentum
  • B. Angular momentum
  • C. Energy
  • D. All of the above
Q. Which of the following quantities is conserved in a closed system with no external torques acting on it?
  • A. Angular momentum
  • B. Linear momentum
  • C. Energy
  • D. All of the above
Q. Which of the following quantities is conserved in an isolated system when no external torques act?
  • A. Linear momentum
  • B. Angular momentum
  • C. Both linear and angular momentum
  • D. Neither
Q. Which of the following quantities is conserved in the absence of external torques?
  • A. Linear momentum
  • B. Angular momentum
  • C. Energy
  • D. All of the above
Q. Which of the following quantities is dimensionally consistent with energy?
  • A. Force x Distance
  • B. Mass x Acceleration
  • C. Pressure x Volume
  • D. All of the above
Q. Which of the following quantities is dimensionless?
  • A. Reynolds number
  • B. Force
  • C. Energy
  • D. Pressure
Q. Which of the following quantities is measured in Joules?
  • A. Work
  • B. Power
  • C. Energy
  • D. Both Work and Energy
Q. Which of the following quantum numbers can have a negative value?
  • A. n
  • B. l
  • C. m_l
  • D. m_s
Q. Which of the following quantum numbers can have a value of 0?
  • A. Principal quantum number
  • B. Azimuthal quantum number
  • C. Magnetic quantum number
  • D. Spin quantum number
Q. Which of the following quantum numbers can never be negative?
  • A. n
  • B. l
  • C. m_l
  • D. s
Q. Which of the following quantum numbers cannot be negative?
  • A. Principal quantum number (n)
  • B. Azimuthal quantum number (l)
  • C. Magnetic quantum number (m_l)
  • D. Spin quantum number (m_s)
Q. Which of the following quantum numbers cannot be the same for two electrons in the same atom?
  • A. Principal quantum number
  • B. Azimuthal quantum number
  • C. Magnetic quantum number
  • D. Spin quantum number
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