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. A length is measured as 20 cm with an error of 0.5 cm. What is the percentage error?
  • A. 2.5%
  • B. 5%
  • C. 0.5%
  • D. 1%
Q. A length is measured as 5.67 m with an uncertainty of 0.01 m. What is the percentage error?
  • A. 0.18%
  • B. 0.2%
  • C. 0.15%
  • D. 0.25%
Q. A length is measured as 50.1 cm with an error of 0.1 cm. What is the minimum possible true length?
  • A. 50 cm
  • B. 50.1 cm
  • C. 50.2 cm
  • D. 49.9 cm
Q. A lens forms a real image at a distance of 30 cm from the lens when the object is placed at 10 cm. What is the focal length of the lens?
  • A. 5 cm
  • B. 10 cm
  • C. 15 cm
  • D. 20 cm
Q. A lens forms a real image at a distance of 40 cm from the lens when the object is placed at 20 cm. What is the focal length of the lens?
  • A. 10 cm
  • B. 15 cm
  • C. 20 cm
  • D. 25 cm
Q. A lens forms a real image of a height 5 cm at a distance of 40 cm from the lens. If the object is placed at 20 cm from the lens, what is the height of the object?
  • A. 2.5 cm
  • B. 5 cm
  • C. 10 cm
  • D. 20 cm
Q. A lens forms a real image of an object placed 60 cm away from it. If the image distance is 20 cm, what is the focal length of the lens?
  • A. 10 cm
  • B. 15 cm
  • C. 20 cm
  • D. 30 cm
Q. A lens forms a real image of an object placed at a distance of 60 cm from it. If the image distance is 15 cm, what is the focal length of the lens?
  • A. 10 cm
  • B. 12 cm
  • C. 20 cm
  • D. 25 cm
Q. A lens forms a real image that is three times the size of the object. If the object is placed 20 cm from the lens, what is the focal length of the lens?
  • A. 10 cm
  • B. 15 cm
  • C. 5 cm
  • D. 20 cm
Q. A lens forms a real image that is twice the size of the object. If the object distance is 10 cm, what is the image distance? (2021)
  • A. 10 cm
  • B. 15 cm
  • C. 20 cm
  • D. 25 cm
Q. A lens forms a real image that is twice the size of the object. If the object is placed 10 cm from the lens, what is the focal length of the lens?
  • A. 5 cm
  • B. 10 cm
  • C. 15 cm
  • D. 20 cm
Q. A lens forms a virtual image at a distance of 10 cm when the object is placed at 5 cm. What type of lens is it?
  • A. Convex lens
  • B. Concave lens
  • C. Bifocal lens
  • D. Plano-convex lens
Q. A lens forms a virtual image at a distance of 12 cm when the object is placed at 8 cm. What is the focal length of the lens?
  • A. 4 cm
  • B. 6 cm
  • C. 8 cm
  • D. 10 cm
Q. A lens forms a virtual image at a distance of 20 cm from the lens when the object is placed at 10 cm. What is the focal length of the lens?
  • A. 5 cm
  • B. 10 cm
  • C. 15 cm
  • D. 20 cm
Q. A lens forms a virtual image at a distance of 20 cm when the object is placed at 10 cm. What is the type of lens?
  • A. Convex lens
  • B. Concave lens
  • C. Bifocal lens
  • D. Plano-convex lens
Q. A lens has a focal length of +20 cm. What type of lens is it?
  • A. Concave lens
  • B. Convex lens
  • C. Bifocal lens
  • D. Cylindrical lens
Q. A lens has a focal length of -10 cm. What type of lens is it?
  • A. Convex lens
  • B. Concave lens
  • C. Biconvex lens
  • D. Biconcave lens
Q. A lens has a focal length of -15 cm. What type of lens is it? (2020)
  • A. Convex lens
  • B. Concave lens
  • C. Bifocal lens
  • D. Cylindrical lens
Q. A lens has a focal length of 15 cm. What is the power of the lens? (2023)
  • A. +6.67 D
  • B. +7.5 D
  • C. +10 D
  • D. +15 D
Q. A lens has a focal length of 40 cm. If an object is placed 80 cm from the lens, what is the image distance?
  • A. 40 cm
  • B. 60 cm
  • C. 80 cm
  • D. 100 cm
Q. A lens has a focal length of 50 cm. If an object is placed at 100 cm, what type of image is formed?
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. A lens has a power of +2 diopters. What is its focal length?
  • A. 0.5 m
  • B. 1 m
  • C. 2 m
  • D. 3 m
Q. A lens has a power of +2.0 D. What is its focal length?
  • A. 50 cm
  • B. 25 cm
  • C. 20 cm
  • D. 10 cm
Q. A lens has a power of +2.5 D. What is its focal length?
  • A. 40 cm
  • B. 25 cm
  • C. 50 cm
  • D. 20 cm
Q. A lens has a power of +2.5 D. What is the focal length of the lens in meters?
  • A. 0.4 m
  • B. 0.5 m
  • C. 0.6 m
  • D. 0.7 m
Q. A lens has a power of +5 diopters. What is its focal length?
  • A. 20 cm
  • B. 25 cm
  • C. 30 cm
  • D. 15 cm
Q. A lens has a power of -4 D. What is the type of lens?
  • A. Convex
  • B. Concave
  • C. Bifocal
  • D. Plano-convex
Q. A lens has a power of -4 D. What type of lens is it?
  • A. Convex lens
  • B. Concave lens
  • C. Bifocal lens
  • D. Plano-convex lens
Q. A lens produces a magnification of 3. If the object height is 2 cm, what is the image height?
  • A. 4 cm
  • B. 6 cm
  • C. 3 cm
  • D. 2 cm
Q. A lens produces a virtual image at a distance of 12 cm when the object is placed at 8 cm. What type of lens is it?
  • A. Convex
  • B. Concave
  • C. Biconvex
  • D. Biconcave
Showing 1921 to 1950 of 31669 (1056 Pages)
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