Last Updated on September 18, 2024 by sanjjeett
Hello students, we are providing assertion and reasoning questions for ICSE class 10 physics. Assertion and reasoning questions are the new question format that is introduced in CISCE (ICSE and ISC) board. The resources for ICSE assertion and reasoning questions are very less. So, to help icse board students we have created chapterwise assertion and reasoning questions for class 10 physics. In this article, you will find assertion and reasoning questions for ICSE Class 10 Physics Chapter 2 Work, Energy and Power.
| Chapter | Work, Energy and Power |
| Type of Questions | Assertion and Reasoning Questions |
| Nature of Questions | Competency Based Questions |
| Board | ICSE |
| Class | 10 |
| Subject | Physics |
| Unit | Unit 1 Force, Work, Power and Energy |
| Useful for | Class 10 Studying Students |
| Answers provided | Yes |
| Difficulty level | Mentioned |
| Important Link | ICSE Class 10 Physics Chapterwise Assertion Reasoning |
Assertion and Reasoning Questions on Work, Energy and Power for ICSE Class 10 Physics
Assertion and reasoning questions are also known as assertion reason questions. Assertion-Reason questions are a type of question format used in ICSE exams where two statements are provided: an Assertion (A) and a Reason (R). Students need to determine whether each statement is true or false and if the Reason correctly explains the Assertion.
Directions:
(a) Both assertion and reason are true.
(b) Both assertion and reason are false.
(c) Assertion is false but reason is true.
(d) Assertion is true but reason is false.
Q. 1. Assertion: A spring has potential energy, both when it is compressed or stretched.
Reason: In compressing or stretching, work is done on the spring against the restoring force.
Ans. (a) Both assertion and reason are true.
Explanation:
When we compress or stretch a spring, the work is done on the spring. Due to compression or stretching the restoring force is stored as potential energy.
Q. 2. Assertion: No work is done when a coolie carries a load on his head and walks on the platform with uniform speed.
Reason: Work is vector quantity.
Ans. (d) Assertion is true but reason is false.
Explanation :
Since, work done is given by, W = F.s. cosθ. Here, θ=900. Then, W = 0. Here, displacement is normal to the direction of force i.e. θ=900, then cos900 = 0.
Work is a scalar quantity not a vector quantity.
Q. 3. Assertion: Kinetic energy of a body depends upon the direction of motion.
Reason: Kinetic energy is of three forms translational kinetic energy, rotational kinetic energy and vibrational kinetic energy.
Ans. (c) Assertion is false but reason is true.
Explanation :
Kinetic energy is the energy possessed by a body due to its motion. It is a scalar quantity and does not depend on the direction of motion of the body.
Q. 4. Assertion: According to the law of conservation of mechanical energy, change in potential energy is equal and opposite to the change in kinetic energy.
Reason: Mechanical energy is not a conserved quantity.
Ans. (d) Assertion is true but reason is false.
Explanation :
According to the law of conservation of mechanical energy, the sum of kinetic and potential energy at any point remains constant throughout the motion. It does not depend on time.
i.e. K.E. + P.E. = E (constant)
Q. 5. Assertion: Water is slightly cooler at the bottom of the waterfall than at the top.
Reason: Whenever mechanical energy changes to other forms, it is always in the form of kinetic energy and not in the form of potential energy.
Ans. (c) Assertion is false but reason is true.
Explanation:
Water is slightly warmer at the bottom of a waterfall that at the top because the gravitational potential energy is converted first to kinetic energy of the falling water and finally to heat energy as it comes to rest at the bottom.
We hope the given ICSE assertion reasoning questions for Work, Energy and Power helps you in your learning.
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Topics from which assertion reasoning questions may be asked
- Work
- Concept of energy
- Kinetic Energy
- Potential Energy
- Power
- Relation between quantities
- SI Units of Quantities
- Different types of energy
Assertion and reasoning questions based on above topics may be asked.
Topics found difficult by students
- Work done when a body moves in a circular path.
- Cases of inter conversion of energy.
- Concept of work. Work done for different angles between force and displacement.
- Work done when displacement is not in the direction of the force.
These are the topics from chapter Work, Energy and Power, generally found difficult by students studying in ICSE Class 10 Physics.
Frequently Asked Questions (FAQs) on Work, Energy and Power ICSE Class 10 Physics Assertion and Reasoning Questions
Q1: What are Assertion and Reasoning questions?
A1: Assertion and Reasoning questions are a type of question format used in ICSE exams where two statements are provided: an Assertion (A) and a Reason (R). Students need to determine whether each statement is true or false and if the Reason correctly explains the Assertion.
Q2: How do Assertion Reasoning questions differ from other question types?
A2: Unlike multiple-choice questions, Assertion-Reason questions require students to analyze the relationship between two statements. It’s not just about knowing the facts but understanding how they connect logically.
Q3: What steps should I follow to correctly answer Assertion and Reasoning questions?
A3: Follow these steps:
Read both statements carefully. Understand what each statement is saying.
Determine the truth value of each statement. Decide if each statement is true or false independently.
Analyze the relationship. If both statements are true, decide whether the Reason (R) correctly explains the Assertion (A).
Choose the correct option. Based on your analysis, select the appropriate answer from the given options.
Q4: What options are typically provided for Assertion and Reasoning questions?
A4: The typical options are:
A. Both A and R are true, and R is the correct explanation of A.
B. Both A and R are true, but R is not the correct explanation of A.
C. A is true, but R is false.
D. A is false, but R is true.
Q5: What should I check to determine if the Reason correctly explains the Assertion?
A5: Ensure that the Reason provides a logical explanation for the Assertion. Check if the Reason directly addresses the cause or basis of the Assertion and if they are contextually linked.
Q6: How can I improve my skills in answering Assertion and Reasoning type questions?
A6: Practice regularly with sample questions and past papers. Focus on understanding the concepts thoroughly rather than rote memorization. Analyzing how different facts and concepts interrelate will enhance your ability to correctly answer these questions.
Q7: What are common mistakes to avoid when answering Assertion and Reasoning questions?
A7: Common mistakes include:
Not reading the statements carefully and missing key details.
Assuming the Reason explains the Assertion without checking the logical connection.
Confusing the order or relationship between the statements.
Overthinking and adding information not provided in the question.
Q8: What resources can help me practice Assertion and Reasoning questions for ICSE Class 10 Physics?
A8: Use study guides specifically designed for Assertion-Reason questions. Online educational platforms and reference books for ICSE Class 10 Physics also offer practice questions and explanations. xamcontent.com/cisce also provides assertion reason questions for ICSE Class 10 Physics.
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