Major Competitive Exams

My Learning Cart

?

Welcome to

Soulshift

Categories

Account

Major Competitive Exams

Download Q&A

Major Competitive Exams MCQ & Objective Questions

Major Competitive Exams play a crucial role in shaping the academic and professional futures of students in India. These exams not only assess knowledge but also test problem-solving skills and time management. Practicing MCQs and objective questions is essential for scoring better, as they help in familiarizing students with the exam format and identifying important questions that frequently appear in tests.

What You Will Practise Here

Key concepts and theories related to major subjects
Important formulas and their applications
Definitions of critical terms and terminologies
Diagrams and illustrations to enhance understanding
Practice questions that mirror actual exam patterns
Strategies for solving objective questions efficiently
Time management techniques for competitive exams

Exam Relevance

The topics covered under Major Competitive Exams are integral to various examinations such as CBSE, State Boards, NEET, and JEE. Students can expect to encounter a mix of conceptual and application-based questions that require a solid understanding of the subjects. Common question patterns include multiple-choice questions that test both knowledge and analytical skills, making it essential to be well-prepared with practice MCQs.

Common Mistakes Students Make

Rushing through questions without reading them carefully
Overlooking the negative marking scheme in MCQs
Confusing similar concepts or terms
Neglecting to review previous years’ question papers
Failing to manage time effectively during the exam

FAQs

Question: How can I improve my performance in Major Competitive Exams?
Answer: Regular practice of MCQs and understanding key concepts will significantly enhance your performance.

Question: What types of questions should I focus on for these exams?
Answer: Concentrate on important Major Competitive Exams questions that frequently appear in past papers and mock tests.

Question: Are there specific strategies for tackling objective questions?
Answer: Yes, practicing under timed conditions and reviewing mistakes can help develop effective strategies.

Start your journey towards success by solving practice MCQs today! Test your understanding and build confidence for your upcoming exams. Remember, consistent practice is the key to mastering Major Competitive Exams!

Civil Services Defence Exams Engineering & Architecture Admissions Government Jobs Management Admissions Undergraduate

Q. If the boiling point of water is 100°C, what is the corresponding temperature in Kelvin? (2021)

A. 273 K
B. 373 K
C. 400 K
D. 450 K

Solution

Temperature in Kelvin (K) = °C + 273 = 100 + 273 = 373 K.

Correct Answer: B — 373 K

Q. If the border length between India and Bangladesh is 4,096 km, what percentage of India's total land border does this represent?

A. 27.1%
B. 30.0%
C. 20.0%
D. 15.0%

Solution

Percentage = (4096 / 15106) * 100 ≈ 27.1%.

Correct Answer: A — 27.1%

Q. If the border length between India and Nepal is 1,751 km, what is the ratio of this length to the total length of India's borders?

A. 1:10
B. 1:8
C. 1:9
D. 1:7

Solution

Ratio = 1751 / 15106 ≈ 1:9.

Correct Answer: C — 1:9

Q. If the budget deficit of a country is $50 billion and the total budget is $500 billion, what percentage of the budget is the deficit?

A. 5%
B. 10%
C. 15%
D. 20%

Solution

Percentage of deficit = (50 / 500) * 100 = 10%.

Correct Answer: B — 10%

Q. If the budget deficit of a government is $50 billion and it plans to reduce it by 20% next year, what will be the new budget deficit?

A. $40 billion
B. $45 billion
C. $50 billion
D. $60 billion

Solution

New budget deficit = 50 billion * (1 - 0.20) = 50 billion * 0.80 = $40 billion.

Correct Answer: A — $40 billion

Q. If the capacitance in an AC circuit is increased, what happens to the capacitive reactance? (2023)

A. It increases
B. It decreases
C. It remains the same
D. It becomes zero

Solution

Capacitive reactance XC = 1/(ωC). If capacitance C increases, XC decreases.

Correct Answer: B — It decreases

Q. If the capacitance of a capacitor is doubled while keeping the charge constant, what happens to the potential difference across it? (2020)

A. It doubles
B. It halves
C. It remains the same
D. It quadruples

Solution

Capacitance C is defined as C = Q/V. If C is doubled and Q remains constant, then V must halve to maintain the equation.

Correct Answer: B — It halves

Q. If the capacitance of a parallel plate capacitor is C, what will be the capacitance if the distance between the plates is doubled? (2020)

A. C/2
B. C
C. 2C
D. 4C

Solution

The capacitance C of a parallel plate capacitor is given by C = εA/d. If the distance d is doubled, the new capacitance will be C/2.

Correct Answer: A — C/2

Q. If the center of a circle is at (0, 0) and it passes through the point (3, 4), what is the equation of the circle?

A. x² + y² = 25
B. x² + y² = 12
C. x² + y² = 7
D. x² + y² = 16

Solution

The radius is 5 (distance from (0,0) to (3,4)), so the equation is x² + y² = 5² = 25.

Correct Answer: A — x² + y² = 25

Q. If the center of a circle is at (0, 0) and it passes through the point (3, 4), what is the radius of the circle?

A. 5
B. 7
C. 6
D. 4

Solution

The radius is the distance from the center to the point, which is √(3² + 4²) = √25 = 5.

Correct Answer: A — 5

Q. If the center of a circle is at (3, 4) and it passes through the point (7, 1), what is the radius? (2019)

A. 5 units
B. 4 units
C. 3 units
D. 6 units

Solution

Radius = distance from center to point = √[(7-3)² + (1-4)²] = √[16 + 9] = √25 = 5 units.

Correct Answer: A — 5 units

Q. If the chance of contracting a disease is 1 in 500, what is the percentage chance of not contracting the disease? (2023)

A. 99.8%
B. 99.9%
C. 98.5%
D. 97.5%

Solution

The chance of not contracting the disease = 1 - (1/500) = 499/500 = 0.998 = 99.8%.

Correct Answer: B — 99.9%

Q. If the charge density of a non-conducting sphere increases linearly with radius, how does the electric field vary inside the sphere?

A. Linearly with radius
B. Quadratically with radius
C. Constant
D. Inversely with radius

Solution

The electric field inside a non-conducting sphere with linearly increasing charge density varies linearly with radius.

Correct Answer: A — Linearly with radius

Q. If the charge density of a non-uniform spherical charge distribution varies as ρ(r) = kr², what is the electric field at the center of the sphere?

A. 0
B. k/3ε₀
C. k/4ε₀
D. k/2ε₀

Solution

At the center of a non-uniform spherical charge distribution, the electric field is zero due to symmetry.

Correct Answer: A — 0

Q. If the charge density of a spherical charge distribution increases linearly with radius, how does the electric field vary inside the sphere?

A. Linearly with radius
B. Quadratically with radius
C. Inversely with radius
D. Constant

Solution

The electric field inside a non-uniform charge distribution varies quadratically with radius due to the increasing charge density.

Correct Answer: B — Quadratically with radius

Q. If the charge inside a closed surface is doubled, what happens to the electric flux through the surface?

A. It doubles
B. It halves
C. It remains the same
D. It becomes zero

Solution

According to Gauss's law, the electric flux is directly proportional to the enclosed charge, so it doubles.

Correct Answer: A — It doubles

Q. If the charge on a capacitor is doubled while keeping the voltage constant, what happens to the capacitance? (2022)

A. It doubles
B. It halves
C. It remains the same
D. It quadruples

Solution

Capacitance C = Q/V. If Q is doubled and V remains constant, C must also double.

Correct Answer: A — It doubles

Q. If the charge on a capacitor is doubled while the voltage remains constant, what happens to the capacitance?

A. It doubles
B. It halves
C. It remains the same
D. It quadruples

Solution

Capacitance C = Q/V; if Q is doubled and V remains constant, C must halve.

Correct Answer: B — It halves

Q. If the charge on a capacitor is doubled, what happens to the electric field between the plates? (2022)

A. It doubles
B. It halves
C. It remains the same
D. It quadruples

Solution

The electric field E between the plates of a capacitor is directly proportional to the charge. If the charge is doubled, the electric field also doubles.

Correct Answer: A — It doubles

Q. If the charge on a capacitor is doubled, what happens to the energy stored in it?

A. It doubles
B. It quadruples
C. It remains the same
D. It halves

Solution

The energy stored in a capacitor is given by U = 1/2 * C * V^2. If the charge is doubled, the energy stored quadruples.

Correct Answer: B — It quadruples

Q. If the charge on a capacitor is doubled, what happens to the energy stored? (2019)

A. It remains the same
B. It doubles
C. It quadruples
D. It halves

Solution

The energy stored in a capacitor is proportional to the square of the charge (U = Q^2/(2C)). Doubling the charge increases the energy by a factor of 4.

Correct Answer: C — It quadruples

Q. If the charge on an object is tripled, what happens to the electric field produced by that charge? (2020)

A. It triples
B. It halves
C. It remains the same
D. It quadruples

Solution

The electric field E is directly proportional to the charge, so tripling the charge will triple the electric field.

Correct Answer: A — It triples

Q. If the circumference of a circle is 31.4 cm, what is its radius? (2022)

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm

Solution

Circumference = 2πr; 31.4 = 2 * π * r; r = 5 cm.

Correct Answer: A — 5 cm

Q. If the circumference of a circle is 31.4 cm, what is its radius? (Use π = 3.14) (2015)

A. 5 cm
B. 7 cm
C. 10 cm
D. 8 cm

Solution

Circumference = 2πr, so r = circumference / (2π) = 31.4 / (2 * 3.14) = 5 cm.

Correct Answer: A — 5 cm

Q. If the circumference of a circle is 31.4 cm, what is the radius of the circle? (Use π = 3.14) (2022)

A. 5 cm
B. 7 cm
C. 10 cm
D. 15 cm

Solution

Circumference = 2πr. Therefore, r = circumference / (2π) = 31.4 / (2 * 3.14) = 5 cm.

Correct Answer: A — 5 cm

Q. If the circumference of a circle is 31.4 cm, what is the radius?

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm

Solution

Using the formula C = 2πr, we find r = C/(2π) = 31.4/(2*3.14) = 5 cm.

Correct Answer: A — 5 cm

Q. If the circumference of a circle is 31.4 cm, what is the radius? (2020) 2020

A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm

Solution

Circumference = 2πr. Therefore, r = Circumference / (2π) = 31.4 cm / (2 * 3.14) = 5 cm.

Correct Answer: A — 5 cm

Q. If the circumference of a circle is 31.4 units, what is its radius? (Use π = 3.14) (2020)

A. 5
B. 7
C. 10
D. 15

Solution

Circumference = 2πr. Setting 31.4 = 2 × 3.14 × r gives r = 5 units.

Correct Answer: A — 5

Q. If the circumference of a circle is 31.4 units, what is the radius? (Use π = 3.14) (2020)

A. 5
B. 7
C. 10
D. 15

Solution

The circumference C = 2πr. Setting 31.4 = 2 * 3.14 * r gives r = 5.

Correct Answer: A — 5

Q. If the circumference of a circle is measured as 31.4 cm with an error of 0.2 cm, what is the radius?

A. 5 cm
B. 4.5 cm
C. 5.0 cm
D. 6 cm

Solution

Circumference = 2πr. Measured circumference = 31.4 cm. Thus, r = 31.4 / (2π) ≈ 5.0 cm.

Correct Answer: C — 5.0 cm

Showing 10801 to 10830 of 31669 (1056 Pages)

Soulshift Feedback ×

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

Not likely Very likely