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. What is the relationship between the average speed and RMS speed of gas molecules?
  • A. RMS speed is always greater than average speed
  • B. RMS speed is always less than average speed
  • C. RMS speed equals average speed
  • D. RMS speed is independent of average speed
Q. What is the relationship between the Celsius and Kelvin scales?
  • A. K = C + 273.15
  • B. C = K + 273.15
  • C. K = C - 273.15
  • D. C = K - 273.15
Q. What is the relationship between the damping coefficient and the type of damping?
  • A. Higher coefficient indicates under-damping
  • B. Lower coefficient indicates over-damping
  • C. Critical damping occurs at a specific coefficient
  • D. Damping coefficient has no effect
Q. What is the relationship between the damping ratio and the type of damping in a system?
  • A. Damping ratio < 1 indicates overdamping
  • B. Damping ratio = 1 indicates critical damping
  • C. Damping ratio > 1 indicates underdamping
  • D. Damping ratio = 0 indicates critical damping
Q. What is the relationship between the damping ratio and the type of damping?
  • A. Damping ratio < 1: Underdamping
  • B. Damping ratio = 1: Overdamping
  • C. Damping ratio > 1: Critical damping
  • D. Damping ratio = 0: Overdamping
Q. What is the relationship between the density of a gas and its molar mass at constant temperature and pressure?
  • A. Density is directly proportional to molar mass
  • B. Density is inversely proportional to molar mass
  • C. Density is independent of molar mass
  • D. Density is equal to molar mass
Q. What is the relationship between the electric field and magnetic field in polarized light?
  • A. They are always perpendicular to each other
  • B. They oscillate in the same direction
  • C. They are in phase with each other
  • D. They have varying amplitudes
Q. What is the relationship between the electric field vector and the direction of propagation in linearly polarized light?
  • A. They are perpendicular
  • B. They are parallel
  • C. They are at 45 degrees
  • D. They are randomly oriented
Q. What is the relationship between the equilibrium constant (K) and the Gibbs free energy change (ΔG) for a reaction?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between the equilibrium constant (K) and the reaction quotient (Q)?
  • A. K = Q at equilibrium
  • B. K > Q at equilibrium
  • C. K < Q at equilibrium
  • D. K is independent of Q
Q. What is the relationship between the equilibrium constants Kp and Kc for a gaseous reaction?
  • A. Kp = Kc
  • B. Kp = Kc(RT)^(Δn)
  • C. Kp = Kc/RT
  • D. Kp = Kc(RT)^(Δn) where Δn is the change in moles of gas
Q. What is the relationship between the frequency and period of a wave?
  • A. Frequency = Period × Speed
  • B. Frequency = 1/Period
  • C. Frequency = Speed × Wavelength
  • D. Frequency = Wavelength/Speed
Q. What is the relationship between the frequency and the period of a simple harmonic oscillator?
  • A. f = T
  • B. f = 1/T
  • C. f = T^2
  • D. f = 2T
Q. What is the relationship between the frequency and wavelength of a wave?
  • A. Frequency = Wavelength × Speed
  • B. Wavelength = Speed / Frequency
  • C. Speed = Frequency × Wavelength
  • D. All of the above
Q. What is the relationship between the frequency of incident light and the number of emitted electrons in the photoelectric effect?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the Gibbs free energy change (ΔG) and the equilibrium constant (K) at standard conditions?
  • A. ΔG = RT ln K
  • B. ΔG = -RT ln K
  • C. ΔG = KRT
  • D. ΔG = K/R
Q. What is the relationship between the Gibbs free energy change (ΔG) and the equilibrium constant (K)?
  • A. ΔG = -RT ln(K)
  • B. ΔG = RT ln(K)
  • C. ΔG = K - RT
  • D. ΔG = 0 at equilibrium
Q. What is the relationship between the height of a satellite and its orbital period?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the intensity of light and the energy of individual photons in the photoelectric effect?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Independent
  • D. Depends on frequency
Q. What is the relationship between the magnetic field and the distance from a long straight wire carrying current?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Independent
  • D. Exponential
Q. What is the relationship between the magnetic field and the enclosed current according to Ampere's Law?
  • A. B is proportional to the square of the current
  • B. B is inversely proportional to the current
  • C. B is directly proportional to the current
  • D. B is independent of the current
Q. What is the relationship between the mean free path (λ) and the diameter (d) of gas molecules?
  • A. λ ∝ d^2
  • B. λ ∝ 1/d
  • C. λ ∝ d
  • D. λ ∝ d^3
Q. What is the relationship between the mean free path and the density of gas molecules?
  • A. Mean free path increases with density
  • B. Mean free path decreases with density
  • C. Mean free path is independent of density
  • D. Mean free path is proportional to the square of density
Q. What is the relationship between the mean free path and the diameter of gas molecules?
  • A. Mean free path is independent of diameter
  • B. Mean free path is directly proportional to diameter
  • C. Mean free path is inversely proportional to diameter
  • D. Mean free path is equal to diameter
Q. What is the relationship between the molality of a solution and its boiling point elevation?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the number of emitted electrons and the intensity of light in the photoelectric effect?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between the number of slits in a diffraction grating and the sharpness of the maxima?
  • A. More slits, sharper maxima
  • B. More slits, broader maxima
  • C. No relationship
  • D. Fewer slits, sharper maxima
Q. What is the relationship between the orbital radius and the period of a satellite in a circular orbit?
  • A. T is directly proportional to r
  • B. T is inversely proportional to r
  • C. T is proportional to r^2
  • D. T is proportional to √r
Q. What is the relationship between the orbital radius and the time period of a satellite?
  • A. T ∝ r^2
  • B. T ∝ r^3/2
  • C. T ∝ r
  • D. T ∝ r^1/2
Q. What is the relationship between the period and frequency of a simple harmonic oscillator?
  • A. T = f
  • B. T = 1/f
  • C. T = f^2
  • D. T = 2f
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