Physics Investigatory Project Class 12: Refractive Indexes

Physics Investigatory Project: Refractive Indexes

The document is a research project on transformers. The document is a physics investigatory project report by a 12th-grade student on transformers. This document describes an investigatory physics project to determine the refractive indexes of water and oil. The project involves using a plane mirror, a convex lens, water, oil, and an adjustable needle. Measurements are taken of the focal lengths of the convex lens alone and in combination with water and oil to calculate the refractive indexes. Precautions are outlined to minimize errors and ensure accurate results. The refractive indexes found are 1.0831 for water and 1.2886 for oil.






















































































Comments

Post a Comment

please do not enter any spam link in the comment box

Popular posts from this blog

FORCE AND LAWS OF MOTION, Class IX, Part 4

Image
  If a boy wearing roller skates stands facing a wall and pushes the wall with his hands, the boy finds himself moving backward, away from the wall. It appears as if the wall also pushes the boy away. When the boy exerts a force on the wall by pushing it with his hands, then the wall exerts an equal force on the boy in the opposite direction . Since the boy is wearing roller skates, the opposite force exerted by the wall makes him backward, the boy on roller skates is exerting force on the wall towards the left side. The wall exerts an equal force on the boy towards the right side. Due to this, the boy moves in the backward direction. From this discussion, we conclude that when a boy exerts a force on the wall, the wall exerts an equal and opposite force on the boy . This is just an illustration of Newton’s third law of motion. Whenever one body exerts a force on another body, the second body exerts an equal and opposite force on the second body. The force exerted by the firs...
Read more

FORCE AND LAWS OF MOTION, Class IX, Part 3

Image
                                         In order to understand Newton’s second law of motion, we should first know the meaning of the term momentum of a moving body (or moving object). We know that a cricket ball is much heavier than a tennis ball. Suppose we throw a cricket ball and a tennis ball, both with the same speed or velocity. It will be found that more force is required to stop the cricket ball (Which has more mass) and less force is required to stop the tennis ball (which has less mass). We conclude that the force required to stop a moving body is directly proportional to its mass. If we throw two cricket balls of the same mass at different speeds or velocities, it will be found that more force is required to stop that cricket ball which is moving with higher velocity and less force is required to ...
Read more

ELECTRIC CHARGES AND FIELDS, CBSE CLASS XII, PHYSICS NOTES PART I

Image
  CBSE CLASS 12 PHYSICS NOTES   CHAPTER 1 ELECTRIC CHARGES AND FIELDS   Here are the notes for CBSE Class 12 Physics Chapter 1 Electric Charges and Fields. This chapter explains the basics of electric charges and the electric fields they create. It includes key concepts like Coulomb's Law, which describes the force between two charged objects, and the superposition principle, which helps calculate the total electric field from multiple charges. You'll also learn about electric field lines, their properties and electric flux. These concepts are essential for understanding how electric forces work. You can find the full notes through the link provided for more details. INTRODUCTION Electric charges and fields are fundamental concepts in the study of electrostatics, a branch of physics that deals with the forces exerted by charges at rest. This study note will break down these concepts into digestible sections, providing clear explanations, examples, and important ...
Read more