Kendriya Vidyalaya Sangathan Regional Office Raipur Class - XII Multiple Choice Question Bank Term I PHYSICS
Introduction
Kendriya Vidyalaya Sangathan (KVS) is a premier organization in India that operates more than 1,200 schools across the country. The KVS Regional Office in Raipur serves the Kendriya Vidyalayas in the state of Chhattisgarh, ensuring quality education and providing necessary resources for students and teachers.
The Class XII Physics Multiple Choice Question Bank for Term I is a comprehensive resource designed to help students prepare for their CBSE examinations. This question bank includes carefully selected questions based on the latest syllabus and marking scheme prescribed by the Central Board of Secondary Education (CBSE).
Importance of the Question Bank
Multiple Choice Questions (MCQs) form a significant part of the assessment pattern in the current education system. The MCQ question bank offers several advantages to students:
- Helps in quick revision of important concepts
- Enhances problem-solving skills
- Improves time management during examinations
- Provides exposure to a variety of question patterns
- Enables self-assessment and identification of weak areas
Class XII Physics Term I Syllabus
The question bank is aligned with the Term I syllabus of Class XII Physics, which includes the following topics:
| Unit | Title | Weightage |
|---|---|---|
| Unit I | Electrostatics | 16 marks |
| Unit II | Current Electricity | 12 marks |
| Unit III | Magnetic Effects of Current and Magnetism | 12 marks |
| Unit IV | Electromagnetic Induction and Alternating Currents | 10 marks |
Sample Questions from the Question Bank
The question bank includes a variety of MCQs that test conceptual understanding and analytical skills. Here are some sample questions from different units:
Unit I: Electrostatics
Q1: Two-point charges +3C and +4C repel each other with a force of 10N. If each is given an additional charge of -6C, the new force is:
Answer: a) 2N (attractive)
Q2: The electric potential at a point in free space due to charge Q coulomb is V = (40) (Q/r). The work done in bringing a charge of 2 10-9 coulomb from infinity to that point is:
Answer: a) 2 10-9 J
Unit II: Current Electricity
Q1: Two wires of the same material have lengths in the ratio 1:2 and radii in the ratio 2:1. Their resistances are in the ratio:
Answer: c) 1:8
Q2: In a potentiometer experiment, the balancing length with a cell is 600 cm. When the cell is shunted with a resistance of 6 ohms, the balancing length becomes 500 cm. The internal resistance of the cell is:
Answer: a) 1.2 ohms
Unit III: Magnetic Effects of Current and Magnetism
Q1: A long straight wire carries a current of 35A. What is the magnitude of the field B at a point 20 cm from the wire?
Answer: a) 3.5 10-5 T
Q2: Two identical bar magnets each of magnetic moment M are placed at right angles to each other with their north poles touching each other. The resultant magnetic moment of the system is:
Answer: b) 2 M
Unit IV: Electromagnetic Induction and Alternating Currents
Q1: The self-inductance of a solenoid is L. If the number of turns is doubled and the length is made half, keeping the area cross-section same, the self-inductance will be:
Answer: d) 8L
Q2: In a series LCR circuit at resonance, the current is:
Answer: a) Maximum
Benefits for Teachers
This question bank is not only beneficial for students but also serves as a valuable resource for teachers in several ways:
- Provides ready-made questions for classroom assessments
- Helps in designing effective test papers
- Enables teachers to identify key concepts that students struggle with
- Supports the development of innovative teaching methods based on common misconceptions
- Facilitates standardization of assessment across different KVs in the region
How to Use This Question Bank Effectively
To maximize the benefits of the question bank, students should follow these strategies:
- Attempt questions only after thorough understanding of the concepts
- Practice regularly with the question bank to strengthen weak areas
- Time yourself while solving MCQs to improve speed and accuracy
- Analyze mistakes and understand the reasoning behind correct answers
- Use the question bank for quick revision before examinations
Conclusion
The Kendriya Vidyalaya Sangathan Regional Office Raipur Class - XII Multiple Choice Question Bank for Term I Physics is a comprehensive resource designed to support students in their preparation for CBSE examinations. By providing a wide range of carefully crafted MCQs covering all important topics, this question bank helps students build confidence, improve problem-solving skills, and achieve better results in their academic journey.
Teachers and students are encouraged to make full use of this resource to enhance the teaching-learning process and ensure success in the examination. Regular practice with this question bank will not only help students excel in their board exams but also develop a strong foundation in physics that will benefit them in higher education.
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