JEE Main Preparation Resources for Competitive Exams

My Learning Cart

JEE Main

Download Q&A

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.

Chemistry Syllabus (JEE Main) Mathematics Syllabus (JEE Main) Physics Syllabus (JEE Main)

Q. An object is thrown upwards with a speed of 20 m/s. How long will it take to reach the maximum height? (Assume g = 10 m/s²)

A. 1 s
B. 2 s
C. 3 s
D. 4 s

Solution

Time to reach maximum height = initial velocity / g = 20 m/s / 10 m/s² = 2 s.

Correct Answer: B — 2 s

Q. An object is thrown vertically upward with a speed of 20 m/s. How high will it rise before coming to rest?

A. 10 m
B. 20 m
C. 30 m
D. 40 m

Solution

Maximum height (H) = (u²)/(2g) = (20²)/(2*9.8) ≈ 20.4 m.

Correct Answer: C — 30 m

Q. An object is thrown vertically upward with a speed of 30 m/s. How high will it rise before coming to rest?

A. 45 m
B. 90 m
C. 135 m
D. 180 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s, u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 90 m

Q. An object is thrown vertically upward with a speed of 30 m/s. How high will it rise before coming to a momentary stop?

A. 45 m
B. 60 m
C. 90 m
D. 135 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s (at the highest point), u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 60 m

Q. An object is thrown vertically upwards with a speed of 15 m/s. What is the maximum height it reaches? (g = 10 m/s²)

A. 11.25 m
B. 22.5 m
C. 15 m
D. 20 m

Solution

Maximum Height (h) = v^2 / (2g) = (15^2) / (2 * 10) = 11.25 m

Correct Answer: B — 22.5 m

Q. An object is thrown vertically upwards with a speed of 20 m/s. How long will it take to reach the maximum height?

A. 1 s
B. 2 s
C. 3 s
D. 4 s

Solution

Time to reach maximum height (t) = u/g = 20/9.8 = 2.04 s.

Correct Answer: B — 2 s

Q. An object is thrown vertically upwards with a speed of 30 m/s. How high will it rise before coming to rest momentarily?

A. 45 m
B. 60 m
C. 90 m
D. 135 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s (at the highest point), u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 60 m

Q. An object is thrown vertically upwards with a speed of 30 m/s. How high will it rise before coming to rest?

A. 45 m
B. 60 m
C. 90 m
D. 120 m

Solution

Using the formula: h = (v² - u²) / (2g), where v = 0 m/s, u = 30 m/s, g = 9.8 m/s². h = (0 - 30²) / (2 * -9.8) = 45.92 m, approximately 45 m.

Correct Answer: B — 60 m

Q. An object moves in a circular path with a radius of 10 m at a speed of 5 m/s. What is the period of the motion?

A. 2π s
B. 4π s
C. 10 s
D. 20 s

Solution

Period (T) = (2πr)/v = (2π * 10)/5 = 4π s.

Correct Answer: A — 2π s

Q. An object moves in a straight line with a velocity of 10 m/s. If it accelerates at 2 m/s² for 5 seconds, what will be its final velocity?

A. 20 m/s
B. 30 m/s
C. 10 m/s
D. 15 m/s

Solution

Final velocity (v) = u + at = 10 + (2 * 5) = 20 m/s.

Correct Answer: B — 30 m/s

Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 10 m/s, what will be its velocity after 5 seconds?

A. 10 m/s
B. 20 m/s
C. 30 m/s
D. 40 m/s

Solution

Final velocity (v) = u + at = 10 + 2*5 = 20 m/s.

Correct Answer: C — 30 m/s

Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 3 m/s, what will be its velocity after 5 seconds?

A. 8 m/s
B. 10 m/s
C. 13 m/s
D. 15 m/s

Solution

Final velocity (v) = u + at = 3 + (2 * 5) = 13 m/s.

Correct Answer: C — 13 m/s

Q. An object moves in a straight line with an acceleration of 2 m/s². If its initial velocity is 5 m/s, what will be its velocity after 3 seconds?

A. 5 m/s
B. 8 m/s
C. 11 m/s
D. 14 m/s

Solution

Final velocity (v) = u + at = 5 + (2 * 3) = 11 m/s.

Correct Answer: C — 11 m/s

Q. An object moves in a straight line with an initial velocity of 5 m/s and accelerates at 2 m/s². What will be its velocity after 4 seconds?

A. 5 m/s
B. 13 m/s
C. 15 m/s
D. 20 m/s

Solution

Using the formula: final velocity = initial velocity + acceleration * time = 5 + 2 * 4 = 13 m/s.

Correct Answer: B — 13 m/s

Q. An object moves with a constant speed of 15 m/s for 10 seconds. What distance does it cover?

A. 100 m
B. 150 m
C. 200 m
D. 250 m

Solution

Distance = speed * time = 15 m/s * 10 s = 150 m.

Correct Answer: B — 150 m

Q. An object moves with a uniform speed of 15 m/s. How far will it travel in 20 seconds?

A. 150 m
B. 300 m
C. 450 m
D. 600 m

Solution

Distance = speed * time = 15 m/s * 20 s = 300 m.

Correct Answer: B — 300 m

Q. At absolute zero, the kinetic energy of gas molecules is:

A. Maximum
B. Zero
C. Minimum
D. Undefined

Solution

At absolute zero, the kinetic energy of gas molecules is zero, as they are at their lowest energy state.

Correct Answer: B — Zero

Q. At absolute zero, what is the expected volume of an ideal gas?

A. Zero
B. Infinite
C. Constant
D. Undefined

Solution

At absolute zero, the volume of an ideal gas is expected to be zero according to Charles's Law.

Correct Answer: A — Zero

Q. At absolute zero, what is the theoretical volume of an ideal gas?

A. Zero
B. Infinite
C. Constant
D. Undefined

Solution

At absolute zero, the volume of an ideal gas is theoretically zero according to Charles's Law.

Correct Answer: A — Zero

Q. At constant pressure, if the temperature of a gas is increased, what happens to its volume?

A. It decreases
B. It increases
C. It remains constant
D. It becomes zero

Solution

According to Charles's Law, at constant pressure, the volume of a gas increases with an increase in temperature.

Correct Answer: B — It increases

Q. At constant pressure, what is the relationship between volume and temperature of a gas?

A. Directly proportional
B. Inversely proportional
C. Independent
D. Exponential

Solution

According to Charles's Law, volume and temperature are directly proportional at constant pressure.

Correct Answer: A — Directly proportional

Q. At constant temperature and pressure, if ΔH is positive and ΔS is negative, what is the sign of ΔG?

A. Always negative
B. Always positive
C. Depends on temperature
D. Zero

Solution

If ΔH is positive and ΔS is negative, ΔG will always be positive.

Correct Answer: B — Always positive

Q. At constant temperature and pressure, if ΔH is positive and ΔS is negative, what can be said about ΔG?

A. ΔG is positive
B. ΔG is negative
C. ΔG is zero
D. ΔG can be either positive or negative

Solution

If ΔH is positive and ΔS is negative, ΔG will be positive.

Correct Answer: A — ΔG is positive

Q. At constant temperature, the volume of a gas is inversely proportional to its pressure. This is known as which law?

A. Boyle's Law
B. Charles's Law
C. Avogadro's Law
D. Ideal Gas Law

Solution

Boyle's Law states that for a given mass of gas at constant temperature, the volume is inversely proportional to the pressure.

Correct Answer: A — Boyle's Law

Q. At what distance from a mass M does the gravitational potential become zero?

A. At infinity
B. At the surface of the mass
C. At 1 meter
D. At 2 meters

Solution

The gravitational potential becomes zero at infinity, as V approaches zero as r approaches infinity.

Correct Answer: A — At infinity

Q. At what point between two equal masses does the gravitational force become zero?

A. At the midpoint
B. At a point closer to one mass
C. At a point closer to the other mass
D. It never becomes zero

Solution

The gravitational forces exerted by both masses cancel each other out at the midpoint.

Correct Answer: A — At the midpoint

Q. At what point in a gravitational field is the gravitational potential constant?

A. At the center of the mass
B. At infinity
C. Along an equipotential surface
D. At the surface of the mass

Solution

The gravitational potential is constant along an equipotential surface.

Correct Answer: C — Along an equipotential surface

Q. At what point in space is the gravitational potential energy of an object zero?

A. At the center of the Earth
B. At infinity
C. At the surface of the Earth
D. At the Moon

Solution

The gravitational potential energy is considered zero at infinity.

Correct Answer: B — At infinity

Q. At what point in space is the gravitational potential zero?

A. At the center of the Earth.
B. At infinity.
C. At the surface of the Earth.
D. At the center of the Moon.

Solution

The gravitational potential is considered zero at infinity.

Correct Answer: B — At infinity.

Q. At what temperature (in Kelvin) does the volume of a gas become zero according to Charles's Law?

A. 0 K
B. 273 K
C. 100 K
D. 32 K

Solution

According to Charles's Law, the volume of a gas approaches zero at absolute zero, which is 0 K.

Correct Answer: A — 0 K

Showing 1471 to 1500 of 10700 (357 Pages)

School

College

Degree

Competitve

Skills

Soulshift Feedback ×

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

Not likely Very likely