Major Competitive Exams

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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!

Q. If a riverbank erodes at a rate of 2 meters per year, how much will it erode in 5 years? (2023)
  • A. 5 m
  • B. 10 m
  • C. 15 m
  • D. 20 m
Q. If a rocket launches at an angle of 30 degrees to the horizontal and reaches a height of 1,000 meters, what is the horizontal distance covered by the rocket?
  • A. 1,732 m
  • B. 1,000 m
  • C. 1,500 m
  • D. 2,000 m
Q. If a rolling object has a mass m and radius R, what is the expression for its rotational kinetic energy?
  • A. (1/2)Iω^2
  • B. (1/2)mv^2
  • C. (1/2)mv^2/R^2
  • D. (1/2)mv^2 + (1/2)Iω^2
Q. If a rolling object has a mass m and radius r, what is the expression for its total kinetic energy?
  • A. (1/2)mv^2
  • B. (1/2)mv^2 + (1/2)Iω^2
  • C. (1/2)mv^2 + (1/2)mr^2ω^2
  • D. (1/2)mv^2 + (1/2)(2/5)mr^2(ω^2)
Q. If a rolling object has a radius of R and rolls with a speed v, what is its kinetic energy?
  • A. (1/2)mv^2
  • B. (1/2)mv^2 + (1/2)Iω^2
  • C. (1/2)mv^2 + (1/2)(1/2)mR^2(v/R)^2
  • D. None of the above
Q. If a rolling object has a radius R and rolls with an angular velocity ω, what is its linear velocity?
  • A.
  • B. 2Rω
  • C. R/2ω
  • D. 3Rω
Q. If a rolling object has a translational speed of v and a rotational speed of ω, what is the relationship between them for rolling without slipping?
  • A. v = ωR
  • B. v = 2ωR
  • C. v = ω/R
  • D. v = R/ω
Q. If a rotating body has an angular momentum of L and its moment of inertia is I, what is the angular velocity ω of the body?
  • A. L/I
  • B. I/L
  • C. L^2/I
  • D. I^2/L
Q. If a rotating object has a moment of inertia of 4 kg·m² and is spinning with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 12 kg·m²/s
  • B. 4 kg·m²/s
  • C. 1 kg·m²/s
  • D. 7 kg·m²/s
Q. If a rotating object has a moment of inertia of 5 kg·m² and is rotating with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 15 kg·m²/s
  • B. 5 kg·m²/s
  • C. 8 kg·m²/s
  • D. 10 kg·m²/s
Q. If a rotating object has a moment of inertia of 5 kg·m² and is spinning with an angular velocity of 3 rad/s, what is its angular momentum?
  • A. 15 kg·m²/s
  • B. 5 kg·m²/s
  • C. 8 kg·m²/s
  • D. 10 kg·m²/s
Q. If a rotating object has a moment of inertia of I and is rotating with an angular velocity ω, what is its rotational kinetic energy?
  • A. 1/2 Iω
  • B. 1/2 Iω^2
  • C. Iω^2
  • D.
Q. If a ruler has a least count of 0.1 cm, what is the maximum error in measurement? (2023)
  • A. 0.05 cm
  • B. 0.1 cm
  • C. 0.2 cm
  • D. 0.01 cm
Q. If a ruler has a least count of 0.1 cm, what is the smallest measurement it can accurately provide? (2023)
  • A. 0.1 cm
  • B. 0.05 cm
  • C. 0.01 cm
  • D. 1 cm
Q. If a runner completes a 10 km race in 40 minutes, what is his average speed in km/h? (2021)
  • A. 12 km/h
  • B. 13 km/h
  • C. 14 km/h
  • D. 15 km/h
Q. If a runner completes a 10 km race in 40 minutes, what is his speed in km/h?
  • A. 12 km/h
  • B. 14 km/h
  • C. 15 km/h
  • D. 18 km/h
Q. If a runner completes a 10 km race in 40 minutes, what is their speed in km/h?
  • A. 12 km/h
  • B. 13 km/h
  • C. 14 km/h
  • D. 15 km/h
Q. If a runner completes a 10 km race in 50 minutes, what is his average speed in km/h?
  • A. 10 km/h
  • B. 12 km/h
  • C. 14 km/h
  • D. 15 km/h
Q. If a salary is decreased by 25% and the new salary is $3,000, what was the original salary?
  • A. $4,000
  • B. $3,500
  • C. $3,200
  • D. $3,800
Q. If a salary is increased by 25% and the new salary is $50,000, what was the original salary?
  • A. $40,000
  • B. $45,000
  • C. $35,000
  • D. $30,000
Q. If a salary of $50,000 is increased by 10% and then decreased by 10%, what is the final salary?
  • A. $50,000
  • B. $49,500
  • C. $51,000
  • D. $52,000
Q. If a satellite is in a geostationary orbit, what is its orbital period?
  • A. 24 hours
  • B. 12 hours
  • C. 6 hours
  • D. 1 hour
Q. If a satellite is in a stable orbit, what can be said about the net force acting on it?
  • A. It is zero
  • B. It is equal to the gravitational force
  • C. It is equal to the centripetal force
  • D. It is equal to the sum of gravitational and centripetal forces
Q. If a satellite is launched into a higher orbit, how does its potential energy change compared to its initial orbit?
  • A. It decreases
  • B. It remains the same
  • C. It increases
  • D. It becomes zero
Q. If a satellite is moved to a higher orbit, what happens to its orbital period?
  • A. It decreases.
  • B. It increases.
  • C. It remains the same.
  • D. It becomes zero.
Q. If a satellite is moving in a circular orbit, what is the relationship between its centripetal acceleration and gravitational acceleration?
  • A. Centripetal = Gravitational
  • B. Centripetal > Gravitational
  • C. Centripetal < Gravitational
  • D. No relationship
Q. If a satellite is moving in a circular orbit, what type of energy does it possess?
  • A. Only kinetic energy
  • B. Only potential energy
  • C. Both kinetic and potential energy
  • D. Neither kinetic nor potential energy
Q. If a satellite's altitude is doubled, how does its orbital speed change?
  • A. Increases by √2
  • B. Decreases by √2
  • C. Remains the same
  • D. Increases by 2
Q. If a satellite's altitude is increased, what happens to its orbital period?
  • A. It decreases
  • B. It increases
  • C. It remains constant
  • D. It becomes zero
Q. If a satellite's speed is greater than the escape velocity, what will happen?
  • A. It will enter a stable orbit
  • B. It will escape Earth's gravitational pull
  • C. It will crash into the Earth
  • D. It will remain in a circular orbit
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