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 increasing the damping coefficient on the amplitude of oscillation in a damped oscillator?
  • A. Increases amplitude
  • B. Decreases amplitude
  • C. No effect
  • D. Doubles amplitude
Q. What is the effect of increasing the diameter of the potentiometer wire on its resistance?
  • A. Resistance increases
  • B. Resistance decreases
  • C. Resistance remains the same
  • D. Resistance becomes zero
Q. What is the effect of increasing the distance between the slits in a double-slit experiment on the fringe separation?
  • A. Increases fringe separation
  • B. Decreases fringe separation
  • C. No effect
  • D. Fringe separation becomes zero
Q. What is the effect of increasing the distance between the slits in a double-slit experiment on the interference pattern?
  • A. Fringe width increases
  • B. Fringe width decreases
  • C. Fringe intensity increases
  • D. Fringe intensity decreases
Q. What is the effect of increasing the distance from a current-carrying wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from a long straight conductor on the magnetic field strength?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes zero
Q. What is the effect of increasing the distance from a long straight current-carrying wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from a long straight wire on the magnetic field strength?
  • A. It increases
  • B. It decreases
  • C. It remains constant
  • D. It becomes zero
Q. What is the effect of increasing the distance from the pivot point on the torque produced by a force?
  • A. Torque increases
  • B. Torque decreases
  • C. Torque remains the same
  • D. Torque becomes zero
Q. What is the effect of increasing the frequency of an AC source on the inductive reactance of a circuit?
  • A. It decreases
  • B. It remains the same
  • C. It increases
  • D. It becomes zero
Q. What is the effect of increasing the frequency of incident light on the photoelectric current?
  • A. Increases indefinitely
  • B. Decreases
  • C. Remains constant
  • D. Increases until a threshold frequency is reached
Q. What is the effect of increasing the frequency of the alternating current in an inductor?
  • A. Inductive reactance decreases
  • B. Inductive reactance increases
  • C. Inductive reactance remains constant
  • D. Inductive reactance becomes zero
Q. What is the effect of increasing the frequency on the capacitive reactance?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the frequency on the impedance of a series RLC circuit?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on R, L, and C
Q. What is the effect of increasing the frequency on the impedance of an inductor?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Becomes zero
Q. What is the effect of increasing the height of a satellite on its orbital speed?
  • A. Increases speed
  • B. Decreases speed
  • C. No effect
  • D. Doubles speed
Q. What is the effect of increasing the intensity of light on the energy of emitted electrons in the photoelectric effect?
  • A. It increases the energy
  • B. It decreases the energy
  • C. It does not affect the energy
  • D. It can either increase or decrease the energy
Q. What is the effect of increasing the intensity of light on the energy of emitted photoelectrons?
  • A. Increases energy
  • B. Decreases energy
  • C. No effect on energy
  • D. Energy becomes negative
Q. What is the effect of increasing the intensity of light on the maximum kinetic energy of emitted electrons?
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
Q. What is the effect of increasing the intensity of light on the maximum kinetic energy of the emitted electrons?
  • A. It increases
  • B. It decreases
  • C. It remains the same
  • D. It becomes zero
Q. What is the effect of increasing the length of a conductor on its resistance?
  • A. Increases resistance
  • B. Decreases resistance
  • C. No effect
  • D. Depends on the material
Q. What is the effect of increasing the length of a conductor on its resistivity?
  • A. Increases
  • B. Decreases
  • C. No effect
  • D. Depends on the material
Q. What is the effect of increasing the mass of a satellite on its orbital radius if the orbital speed is to remain constant?
  • A. The orbital radius must increase
  • B. The orbital radius must decrease
  • C. The orbital radius remains the same
  • D. It has no effect on the orbital radius
Q. What is the effect of increasing the mass of a satellite on its orbital radius, assuming the speed remains constant?
  • A. The orbital radius increases
  • B. The orbital radius decreases
  • C. The orbital radius remains the same
  • D. It depends on the gravitational force
Q. What is the effect of increasing the mass of a satellite on its orbital radius?
  • A. It increases the orbital radius.
  • B. It decreases the orbital radius.
  • C. It has no effect on the orbital radius.
  • D. It depends on the altitude.
Q. What is the effect of increasing the mass of a satellite on its orbital speed?
  • A. Increases the orbital speed
  • B. Decreases the orbital speed
  • C. No effect on orbital speed
  • D. Depends on the altitude
Q. What is the effect of increasing the mass of both objects on the gravitational force between them?
  • A. It decreases the force
  • B. It increases the force
  • C. It has no effect
  • D. It depends on the distance
Q. What is the effect of increasing the molecular weight of a polymer on its viscosity?
  • A. Viscosity decreases
  • B. Viscosity increases
  • C. Viscosity remains the same
  • D. Viscosity becomes unpredictable
Q. What is the effect of increasing the normal force on the frictional force between two surfaces?
  • A. Increases frictional force
  • B. Decreases frictional force
  • C. No effect
  • D. Depends on the surface material
Q. What is the effect of increasing the number of alkyl substituents on the stability of alkenes?
  • A. Increases stability
  • B. Decreases stability
  • C. No effect
  • D. Depends on the type of alkyl group
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