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 force on a charge q moving with velocity v in a magnetic field B?
  • A. qvB
  • B. qvBsinθ
  • C. qvBcosθ
  • D. qB
Q. What is the force required to keep a 15 kg object moving at a constant velocity?
  • A. 0 N
  • B. 15 N
  • C. 150 N
  • D. None of the above
Q. What is the formula for calculating boiling point elevation?
  • A. ΔT_b = K_b * m
  • B. ΔT_b = K_f * m
  • C. ΔT_b = i * K_b * m
  • D. ΔT_b = i * K_f * m
Q. What is the formula for calculating kinetic energy?
  • A. KE = mv²
  • B. KE = 1/2 mv²
  • C. KE = mgh
  • D. KE = 1/2 mgh
Q. What is the formula for calculating the depression of freezing point?
  • A. ΔTf = Kf * m
  • B. ΔTf = Kb * m
  • C. ΔTf = R * T
  • D. ΔTf = P * V
Q. What is the formula for calculating the frequency of a wave?
  • A. f = 1/T
  • B. f = λ/T
  • C. f = v/λ
  • D. f = vT
Q. What is the formula for calculating the magnetic force on a charged particle moving in a magnetic field?
  • A. F = qE
  • B. F = qvBsinθ
  • C. F = mv^2/r
  • D. F = qvE
Q. What is the formula for calculating the number of moles?
  • A. Moles = Mass / Volume
  • B. Moles = Mass x Volume
  • C. Moles = Mass / Molar Mass
  • D. Moles = Molar Mass / Mass
Q. What is the formula for calculating the potential energy of an object at height h?
  • A. PE = mgh
  • B. PE = 1/2 mv²
  • C. PE = mv²
  • D. PE = mgh²
Q. What is the formula for calculating the total power in a series RLC circuit?
  • A. P = VI
  • B. P = I^2R
  • C. P = V^2/R
  • D. P = VI cos(φ)
Q. What is the formula for calculating the total power in an AC circuit with a power factor?
  • A. P = VI
  • B. P = VI cos(φ)
  • C. P = VI sin(φ)
  • D. P = V^2/R
Q. What is the formula for calculating the work done by a force?
  • A. W = Fd
  • B. W = F/v
  • C. W = F/t
  • D. W = mv
Q. What is the formula for gravitational potential energy?
  • A. PE = mgh
  • B. PE = 1/2 mv²
  • C. PE = mv
  • D. PE = mgh²
Q. What is the formula for the angular position of the first minimum in a double-slit diffraction pattern?
  • A. d sin(θ) = mλ
  • B. d sin(θ) = (m + 1/2)λ
  • C. d sin(θ) = (m - 1/2)λ
  • D. d sin(θ) = 2mλ
Q. What is the formula for the angular position of the m-th order maximum in a double-slit experiment?
  • A. d sin θ = mλ
  • B. d cos θ = mλ
  • C. d tan θ = mλ
  • D. d = mλ/sin θ
Q. What is the formula for the complex formed when silver ion reacts with ammonia?
  • A. Ag(NH3)2+
  • B. Ag(NH3)2Cl
  • C. Ag(NH3)3+
  • D. Ag(NH3)4+
Q. What is the formula for the equivalent resistance in a balanced Wheatstone bridge?
  • A. R_eq = (P + Q)
  • B.
  • C. (R + S)
  • D. R_eq = P + Q + R + S
  • . R_eq = P
  • .
  • . Q + R
  • .
  • . S
  • . R_eq = (P*R)/(Q + S)
Q. What is the formula for the equivalent resistance of two resistors R1 and R2 in series?
  • A. R_eq = R1 + R2
  • B. R_eq = R1 * R2 / (R1 + R2)
  • C. R_eq = R1 - R2
  • D. R_eq = R1 / R2
Q. What is the formula for the equivalent resistance of two resistors R1 and R2 in series in a Wheatstone bridge?
  • A. R1 + R2
  • B. R1 * R2 / (R1 + R2)
  • C. R1 - R2
  • D. 1/(1/R1 + 1/R2)
Q. What is the formula for the force experienced by a charged particle moving in a magnetic field?
  • A. F = qvB sin(θ)
  • B. F = qvB cos(θ)
  • C. F = qB
  • D. F = qE
Q. What is the formula for the fringe separation in a double-slit experiment?
  • A. λD/d
  • B. d/λD
  • C. D/λd
  • D. λd/D
Q. What is the formula for the fringe width in a double-slit experiment?
  • A. λD/d
  • B. d/λD
  • C. D/λd
  • D. λd/D
Q. What is the formula for the magnetic field (B) inside a solenoid?
  • A. B = μ₀(nI)
  • B. B = μ₀I
  • C. B = μ₀(nI)/L
  • D. B = μ₀I²
Q. What is the formula for the magnetic force experienced by a charged particle moving in a magnetic field?
  • A. F = qE
  • B. F = qvBsin(θ)
  • C. F = mv^2/r
  • D. F = BIL
Q. What is the formula for the magnetic force on a charge q moving with velocity v in a magnetic field B?
  • A. F = qvB
  • B. F = qvBsinθ
  • C. F = qB
  • D. F = qvBcosθ
Q. What is the formula for the magnetic force on a charged particle moving in a magnetic field?
  • A. F = qE
  • B. F = qvBsinθ
  • C. F = mv^2/r
  • D. F = qvE
Q. What is the formula for the modulus of resilience?
  • A. U = 1/2 * σ * ε
  • B. U = σ * ε
  • C. U = 1/2 * ε^2
  • D. U = σ^2 / 2
Q. What is the formula for the total power in a series RLC circuit?
  • A. P = VI
  • B. P = I^2R
  • C. P = V^2/R
  • D. P = VI cos(φ)
Q. What is the formula for Young's modulus?
  • A. Stress/Strain
  • B. Strain/Stress
  • C. Force/Area
  • D. Area/Force
Q. What is the formula of the compound formed between magnesium and chlorine?
  • A. MgCl
  • B. MgCl2
  • C. Mg2Cl
  • D. Mg2Cl2
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