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 total power consumed in a circuit with a 12V battery and a 4Ω resistor?
  • A. 12W
  • B. 24W
  • C. 36W
  • D. 48W
Q. What is the total power consumed in a circuit with a current of 5A and a total resistance of 4Ω?
  • A. 10W
  • B. 20W
  • C. 30W
  • D. 40W
Q. What is the total power of two lenses of power +5 D and -3 D placed in contact?
  • A. 2 D
  • B. 8 D
  • C. 15 D
  • D. 1 D
Q. What is the total resistance in a circuit with a 10Ω resistor in series with a 5Ω resistor?
  • A.
  • B. 10Ω
  • C. 15Ω
  • D. 50Ω
Q. What is the total resistance in a circuit with a 12 ohm and a 4 ohm resistor connected in parallel?
  • A. 3 ohms
  • B. 4 ohms
  • C. 9 ohms
  • D. 16 ohms
Q. What is the total resistance in a circuit with a 12Ω resistor and a 4Ω resistor connected in series?
  • A. 16Ω
  • B. 48Ω
  • C.
  • D.
Q. What is the total resistance of a circuit with a 3Ω and a 5Ω resistor in series?
  • A.
  • B. 15Ω
  • C.
  • D. 1.5Ω
Q. What is the total resistance of two 10 ohm resistors connected in parallel?
  • A. 5 ohms
  • B. 10 ohms
  • C. 20 ohms
  • D. 15 ohms
Q. What is the total resistance of two 10 ohm resistors connected in series?
  • A. 5 ohms
  • B. 10 ohms
  • C. 20 ohms
  • D. 15 ohms
Q. What is the total resistance of two 12 ohm resistors connected in parallel?
  • A. 6 ohms
  • B. 12 ohms
  • C. 24 ohms
  • D. 18 ohms
Q. What is the total resistance of two 8Ω resistors connected in series?
  • A.
  • B. 16Ω
  • C.
  • D. 12Ω
Q. What is the total resistance of two resistors of 5 ohms and 10 ohms connected in parallel?
  • A. 3.33 ohms
  • B. 5 ohms
  • C. 15 ohms
  • D. 50 ohms
Q. What is the total resistance of two resistors of 8Ω and 12Ω connected in series?
  • A. 20Ω
  • B. 24Ω
  • C. 16Ω
  • D. 18Ω
Q. What is the total voltage across a parallel circuit with two branches, one with 10Ω and 20Ω resistors, if the total current is 3A?
  • A. 6V
  • B. 9V
  • C. 12V
  • D. 15V
Q. What is the total voltage in a series circuit with a 9V battery and two resistors of 2Ω and 3Ω?
  • A. 9V
  • B. 5V
  • C. 2V
  • D. 11V
Q. What is the trace of the matrix A = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]?
  • A. 15
  • B. 18
  • C. 12
  • D. 9
Q. What is the trend in atomic radius as you move down a group in the periodic table?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Increases then decreases
Q. What is the trend in atomic radius as you move down the group of alkali metals?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Varies irregularly
Q. What is the trend in electronegativity as you move from left to right across a period?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Varies irregularly
Q. What is the trend in ionization energy as you move down the group in s-block elements?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Varies irregularly
Q. What is the trend in ionization energy for alkali metals down the group?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Fluctuates
Q. What is the trend in metallic character as you move from left to right across a period?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Increases then decreases
Q. What is the truth value of the expression A AND (B OR C) when A = 1, B = 0, and C = 1?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the truth value of the expression A AND (B OR C) when A = 1, B = 0, C = 1?
  • A. 0
  • B. 1
  • C. 2
  • D. Undefined
Q. What is the typical band gap of germanium?
  • A. 0.66 eV
  • B. 1.1 eV
  • C. 1.5 eV
  • D. 2.0 eV
Q. What is the typical charge of s-block metal ions?
  • A. +1
  • B. +2
  • C. -1
  • D. 0
Q. What is the typical range of energy band gaps for semiconductors?
  • A. 0.1 - 0.5 eV
  • B. 0.5 - 1.5 eV
  • C. 1.5 - 3.0 eV
  • D. 3.0 - 5.0 eV
Q. What is the typical range of the energy band gap for semiconductors?
  • A. 0.1 - 0.5 eV
  • B. 0.5 - 2.5 eV
  • C. 2.5 - 5 eV
  • D. 5 - 10 eV
Q. What is the uncertainty in a measurement of 50.0 ± 0.5 g when converted to kilograms?
  • A. 0.0005 kg
  • B. 0.005 kg
  • C. 0.05 kg
  • D. 0.5 kg
Q. What is the uncertainty in position if the uncertainty in momentum of a particle is 1.0 x 10^-24 kg m/s?
  • A. 1.0 x 10^-10 m
  • B. 6.63 x 10^-10 m
  • C. 1.0 x 10^-34 m
  • D. 6.63 x 10^-34 m
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