Q. The government has announced a new policy to reduce plastic waste, which includes banning single-use plastics. What can be inferred about the government's stance on environmental issues?
A.
The government is indifferent to environmental concerns.
B.
The government prioritizes economic growth over environmental protection.
C.
The government is taking steps to address environmental issues.
D.
The government believes that plastic waste is not a significant problem.
Solution
The announcement of a policy aimed at reducing plastic waste indicates that the government is actively addressing environmental issues.
Correct Answer:
C
— The government is taking steps to address environmental issues.
Q. The gravitational field strength at the surface of a planet is 9.8 N/kg. What is the gravitational potential at the surface if the radius of the planet is 6.4 x 10^6 m?
A.
-62.72 x 10^6 J/kg
B.
-9.8 J/kg
C.
-19.6 x 10^6 J/kg
D.
-39.2 x 10^6 J/kg
Solution
V = -g * r = -9.8 N/kg * 6.4 x 10^6 m = -62.72 x 10^6 J/kg.
Q. The gravitational field strength at the surface of the Earth is approximately 9.8 N/kg. What is the gravitational potential at the surface of the Earth?
A.
0 J/kg
B.
-9.8 J/kg
C.
-19.6 J/kg
D.
-39.2 J/kg
Solution
The gravitational potential at the surface of the Earth is negative, approximately -9.8 J/kg.
Q. The gravitational force acting on a satellite in orbit is dependent on which of the following?
A.
Mass of the satellite only
B.
Mass of the Earth only
C.
Distance from the Earth
D.
All of the above
Solution
The gravitational force acting on a satellite depends on the mass of the satellite, the mass of the Earth, and the distance from the Earth according to Newton's law of gravitation.
Q. The gravitational potential at a point is defined as the work done in bringing a unit mass from infinity to that point. What is the unit of gravitational potential?
A.
J/kg
B.
N/kg
C.
J/m
D.
N/m
Solution
The unit of gravitational potential is Joules per kilogram (J/kg).
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!
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