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 effect of a dielectric material on the electric field inside a capacitor?
  • A. Increases the electric field
  • B. Decreases the electric field
  • C. Has no effect
  • D. Reverses the electric field direction
Q. What is the effect of a magnetic field on a charged particle moving perpendicular to the field?
  • A. It accelerates the particle in the direction of the field
  • B. It causes the particle to move in a circular path
  • C. It stops the particle
  • D. It has no effect
Q. What is the effect of a magnetic field on a current-carrying conductor placed in it?
  • A. It experiences no force
  • B. It experiences a force
  • C. It heats up
  • D. It becomes magnetized
Q. What is the effect of a magnetic field on a stationary charge?
  • A. Force acts on the charge
  • B. No force acts on the charge
  • C. Charge accelerates
  • D. Charge decelerates
Q. What is the effect of a non-volatile solute on the boiling point of a solvent?
  • A. It decreases the boiling point
  • B. It increases the boiling point
  • C. It has no effect
  • D. It changes the boiling point unpredictably
Q. What is the effect of a polarizer on unpolarized light?
  • A. It increases the intensity
  • B. It decreases the intensity
  • C. It does not change the intensity
  • D. It changes the color
Q. What is the effect of a quarter-wave plate on polarized light?
  • A. It reflects the light
  • B. It changes the polarization direction
  • C. It converts linearly polarized light to circularly polarized light
  • D. It absorbs the light
Q. What is the effect of a second polarizer oriented at 90 degrees to the first polarizer on the transmitted light intensity?
  • A. It increases the intensity
  • B. It decreases the intensity to zero
  • C. It has no effect
  • D. It doubles the intensity
Q. What is the effect of a second polarizer oriented at 90 degrees to the first?
  • A. No light passes through
  • B. All light passes through
  • C. Half of the light passes through
  • D. Light intensity doubles
Q. What is the effect of a second polarizer placed at 90 degrees to the first polarizer on the intensity of light?
  • A. It increases the intensity
  • B. It decreases the intensity to zero
  • C. It has no effect
  • D. It doubles the intensity
Q. What is the effect of adding a catalyst to a chemical equilibrium?
  • A. Increases the yield of products
  • B. Increases the rate of reaction
  • C. Shifts the equilibrium position
  • D. Has no effect on the equilibrium
Q. What is the effect of adding a catalyst to a system at equilibrium?
  • A. Increases the rate of the forward reaction only
  • B. Increases the rate of the reverse reaction only
  • C. Increases the rate of both forward and reverse reactions
  • D. Shifts the equilibrium position
Q. What is the effect of adding a common ion to a saturated solution?
  • A. Increases solubility
  • B. Decreases solubility
  • C. No effect on solubility
  • D. Changes the pH
Q. What is the effect of adding a non-volatile solute to a solvent on the vapor pressure of the solvent?
  • A. It increases the vapor pressure.
  • B. It decreases the vapor pressure.
  • C. It has no effect on the vapor pressure.
  • D. It doubles the vapor pressure.
Q. What is the effect of adding a solute to a solvent on the boiling point of the solution?
  • A. Boiling point decreases
  • B. Boiling point remains the same
  • C. Boiling point increases
  • D. Boiling point becomes unpredictable
Q. What is the effect of adding a solute to a solvent on the viscosity of the solution?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on the solute
Q. What is the effect of adding a strong acid to a buffer solution?
  • A. pH increases
  • B. pH decreases significantly
  • C. pH remains relatively constant
  • D. pH becomes neutral
Q. What is the effect of adding a strong base to a buffer solution?
  • A. pH decreases
  • B. pH increases
  • C. pH remains constant
  • D. Buffer capacity increases
Q. What is the effect of adding an inert gas at constant volume on the equilibrium position?
  • A. Shift to the right
  • B. Shift to the left
  • C. No change
  • D. Increase the rate of reaction
Q. What is the effect of adding an inert gas at constant volume on the equilibrium of the reaction A(g) ⇌ B(g)?
  • A. Shifts to the right
  • B. Shifts to the left
  • C. No effect
  • D. Increases the rate of reaction
Q. What is the effect of adding an inert gas at constant volume on the equilibrium of a reaction?
  • A. Shifts the equilibrium to the right
  • B. Shifts the equilibrium to the left
  • C. No effect on the equilibrium position
  • D. Increases the equilibrium constant
Q. What is the effect of adding salt to water on its viscosity?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on temperature
Q. What is the effect of alkyl groups on the basicity of amines?
  • A. Decrease basicity
  • B. Increase basicity
  • C. No effect
  • D. Depends on the size
Q. What is the effect of atmospheric drag on satellites in low Earth orbit?
  • A. It increases their speed.
  • B. It decreases their speed.
  • C. It has no effect.
  • D. It causes them to gain altitude.
Q. What is the effect of damping on the amplitude of an oscillating system?
  • A. Amplitude increases with time
  • B. Amplitude remains constant
  • C. Amplitude decreases with time
  • D. Amplitude becomes zero instantly
Q. What is the effect of damping on the energy of an oscillating system?
  • A. Energy increases
  • B. Energy remains constant
  • C. Energy decreases over time
  • D. Energy oscillates
Q. What is the effect of deforestation on carbon dioxide levels?
  • A. Decreases CO2 levels
  • B. Increases CO2 levels
  • C. No effect
  • D. Increases O2 levels
Q. What is the effect of dielectric material on capacitance?
  • A. Increases capacitance
  • B. Decreases capacitance
  • C. No effect
  • D. Depends on the charge
Q. What is the effect of dielectric material on the capacitance of a capacitor?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of dilution on the pH of a strong acid solution?
  • A. pH increases
  • B. pH decreases
  • C. pH remains constant
  • D. pH becomes neutral
Showing 6391 to 6420 of 10700 (357 Pages)
Soulshift Feedback ×

On a scale of 0–10, how likely are you to recommend The Soulshift Academy?

Not likely Very likely