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Students preparing for the CBSE Board exams must know important topics and type of questions asked from this chapter. Knowing the weightge of Class 12 chemistry chapter 7 alcohol phenol and ether in class 12 board exams helps understanding the importance of the chapter. The Class 12 Chapter 7 alcohol phenol and ether is asked for 6-7 marks in most of the class 12 board exams in india. Students can use NCERT Solutions for Class 12 chemistry chapter 7 alcohol phenol and ethers for studying and practice the questions of the chapter.

Torque (? ) is used to measure the force that causes rotational motion. It is similar to how force causes linear motion. Newton's second law for rotational motion shows the relation between torque and angular acceleration.

I stand for the moment of inertia and a is the angular acceleration. According to this equation, the greater the torque applied to an object, the higher its angular acceleration. Moreover, the object with a larger I will require more torque to achieve the same angular acceleration.

Translational motion is when every part of an object moves at the same speed and uniformly in the same direction, like a car moving along a straight road. Rotational motion refers to an object rotating around a fixed axis, eg- a spinning wheel. One of the main difference is that in translation motion, all points on the object have the same velocity and in rotational motion, velocity changes based on the distance from the axis of rotation. Various real-life motions combine both rotational and translation motion.

The centre of mass (COM) of a system refers to the point that represents the average position where the entire mass of the system is considered to be concentrated. The concept helps in analyzing the motion of a system of particles. Following is the formula to determine the COM of two or more particles:

In this formula,  m1, and m2 stand for masses and r1, r2 are their respective positions. COM motion follows Newton's law which says that if no external force acts on a system, COM moves with uniform velocity.

Students can download the NCERT Solutions PDF for Class 12 Physics Chapter 11 Dual Nature of Radiation and Matter from reliable educational platforms. However, candidates can also visit the homepage of Shiksha and click on the “NCERT Chemistry Class 12th Solution PDF - Dual Nature of Radiation and Matter Chapter Download” to donwload the PDF. These NCERT PDF Solutions are helpful to prepare without an internet connection. The Class 12 Physics NCERT Solutions consists of detailed explanations, formulas, and solved examples to help students prepare effectively.

NCERT Solutions for Class 12 Ch 11 Dual Nature of Radiation and Matter includes step-by-step explanations of numerical problems, theoretical concepts and derivations. 

These  Class 12 Ch 11 Dual Nature of Radiation and Matter NCERT Solutions help students not only to clear thier doubts but also useful to practice problem-solving, and to understand important topic and concepts that are frequently asked in CBSE board exams and competitive exams. Practicing with Class 12 Physics NCERT solutions PDFs improve conceptual clarity and boosts student's confidence for exams.