MODULE 3 (PHYSICS 10)

Qualitative Characteristics of Mirrors and Lenses

An e-module based on DepEd CARAGA LEAST LEARNED COMPETENCIES with Internet-Based Laboratory Activities.

Arranged by: Elaikah Keith G. Dato-on – MAED Physics

Welcome to the Future of Learning Physics! Explore, Experiment, and Discover the Wonders of the Physical World

TO THE FACILITATOR

Welcome to this e-module with an Internet-Based Laboratory Activities in Physics 10, an interactive and comprehensive learning resource designed to enhance your understanding of the fundamental concepts in physics. As a facilitator, you are expected to orient the learners on how to use this e-module. You also need to keep track of the learners’ progress while allowing them to manage their own learning at home. Furthermore, you are expected to encourage and assist the learners as they do the tasks included in the e-module.

TO THE LEARNER

Welcome to the exciting world of digital learning! As a learner, you must learn to become responsible of your own learning. We hope that this e-module will serve as a valuable tool in your learning journey, providing you with the knowledge and skills you need to excel in your studies. We encourage you to take full advantage of this resource, explore all its features, and actively participate in the interactive activities.

E-MODULE
POLICIES

  • Rule 1: Active Participation: Engage actively with all the materials and activities. The more you interact, the more you learn.
  • Rule 2: Pace Yourself: Don’t rush through the content. Take your time to understand each concept before moving on to the next.
  • Rule 3: Note-Taking: Keep a notebook handy for jotting down important points or questions that arise during your learning.
  • Rule 4: Utilize Resources: Make full use of additional resources provided in this module. It is there to enhance your understanding.
  • Rule 5: Reflect: After completing each section, take a moment to reflect on what you’ve learned and how you can apply it.

How to Use E-Modules?

01. OVERVIEW

This provides you with the general information
about the e-module.

02. PRE-TEST

This determines your background knowledge of the lesson.

03.MOTIVATIONAL ACTIVITY

This is an activity before proceeding to the lesson proper.

04. LESSON PROPER AND RESOURCES

This is the part where you can find the basic concepts about the lessons discussed

05. ILAB

These are the internet-based laboratory activities to be performed by you which will enrich your understanding of the lessons or concepts.

06. POST TEST

This is the part that intends to determine how much you have learned from the lesson.

– OVERVIEW –

Qualitative Characteristics of Mirrors and Lenses

Learning Competency: Predict the qualitative characteristics (orientation, type, and magnification) of images formed by plane and curved mirrors and lenses. (S10FE-llg-50)

– PRE-TEST –

Before we delve into our upcoming lesson, it’s crucial to establish a foundational understanding of the topic at hand. This not only primes your mind for new information but also allows you to connect new knowledge with what you already know. To facilitate this, we have prepared a set of questions designed to gauge your existing knowledge on the subject matter. These questions are not a test, but a tool to help you—and us—understand your current familiarity with the topic.

We encourage you to answer these questions thoughtfully and honestly. There’s no need to rush—take your time to reflect on each question. Remember, the goal here is not to get all the answers right, but to provide an accurate snapshot of your current understanding. So, let’s embark on this journey of discovery together. Your responses will guide us in tailoring the upcoming lessons to your learning needs, ensuring a more effective and enjoyable learning experience. Ready? Let’s begin!

1

Module 3 - Pre Test

Directions: Read and understand each question carefully and select the letter of the best answer.

1 / 10

What happens to light when it passes through a concave lens?

2 / 10

Which of the following is NOT a characteristic of a real image produced by a concave mirror?

3 / 10

Which ray diagram technique is used to locate the image formed by a lens?

4 / 10

What happens to light when it passes through a convex lens?

5 / 10

What type of image is formed by a concave mirror when the object is placed beyond the focal point?

6 / 10

What is the main difference between plane mirrors and curved mirrors?

7 / 10

What type of image is formed by a convex lens when the object is placed between the lens and the focal point?

8 / 10

Which type of mirror produces a virtual, upright image of the same size as the object?

9 / 10

What is the law of reflection?

10 / 10

What is the difference between converging and diverging lenses?

Your score is

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– MOTIVATIONAL ACTIVITY –

Mirror Sorting Game

Directions: For each of the following diagrams (provided below), predict the image’s characteristics by describing the image as real or virtual, upright or inverted, and magnified or reduced by underlining the correct answer.

– LESSON PROPER AND RESOURCES –

Info Box

To begin exploring the module lessons, click on the first image displayed. Once selected, scroll to the left to navigate through the rest of the content using the scrolling view. Each image represents a different lesson, so continue scrolling to discover all the topics included in this module.

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– iLAB (Internet-Based Laboratory Activity) –

Exploring Image Formation with Concave Mirrors

Please see the following objectives of this activity:

To predict the image’s characteristics (type, orientation, magnification) by adjusting the position of the object in front of a concave mirror.

Please complete the following materials for this activity:

Access to the simulation
Computer or tablet with internet access.
PhET Geometric Optics Simulation

Pre-Laboratory Preparation:

Please read the following activity instructions:

Access the PhET Geometric Optics Simulation: Go to the provided link for the Geometric Optics simulation by PhET. Select the Concave Mirror option to start working with concave mirrors.
Set Up the Experiment:
Select “Mirrors” or “Lenses” based on the optical element you want to investigate.
Choose the appropriate type:
Mirrors: Concave or Convex
Lenses: Convex or Concave
Adjust the position of the object to see how the image changes by dragging it to different locations.

As you move the object, observe the characteristics of the image formed. Pay attention to:

Size: Is the image magnified or reduced?
Orientation: Is the image upright or inverted?
Location:is it in front of the mirror or behind the mirror.
Type: Is it real or virtual?
Record Your Observations: After each adjustment of the object, record the image characteristics in the table provided below. For each position, note the type, orientation, and size of the image.

– POST-TEST –

As we conclude our lesson, it’s important to assess your understanding of the topic we’ve just explored. This step not only helps reinforce your new knowledge but also enables you to connect the concepts you’ve learned with your existing understanding. To assist in this, we’ve prepared a set of questions designed to gauge how well you’ve grasped the key points of the lesson. These questions are not a test, but a valuable tool to help both you—and us—assess your progress.

Take your time to reflect on each question and answer thoughtfully. There’s no rush—the goal here is not to get every answer right, but to give an honest and accurate snapshot of your current understanding.
This process will guide us in refining future lessons to better meet your learning needs, ensuring a more effective and enjoyable experience moving forward.

So, let’s continue on this journey of discovery! Ready? Let’s begin!

/10
0

Module 3 - Post Test

Directions: Read and understand each question carefully and encircle the letter of the best answer.

1 / 10

Which of the following is NOT a characteristic of a virtual image produced by a concave mirror?

2 / 10

What type of image is formed by a convex lens when the object is placed beyond the focal point?

3 / 10

What happens to light when it passes through a concave lens?

4 / 10

What happens to light when it passes through a convex lens?

5 / 10

Which type of mirror always produces a virtual, upright, and reduced image?

6 / 10

What type of image is formed by a concave mirror when the object is placed between the focal point and the mirror?

7 / 10

Which ray diagram technique is essential for determining the image location in a mirror?

 

 

8 / 10

What is the primary difference between concave and convex lenses?

 

9 / 10

What distinguishes a concave mirror from a convex mirror?

10 / 10

What is the angle of reflection when the angle of incidence is 30 degree?

Your score is

The average score is 0%

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0%

Compare your answers with the pre-test to see how much you’ve learned and retained.

– REFERENCES –

Website Articles:

BYJU’S. (n.d.). Concave and convex mirrors: Difference between mirror and lens. BYJU’S. Retrieved March 27, 2025, from https://byjus.com/physics/concave
convex-mirrors//physics/difference-between-mirror and-lens/

Youtube Videos:

TED-Ed. (2023, June 15). How do glasses help us see? [Video]. YouTube. https://youtu.be/508ZsmsIlno?si=kHqRNrqgKccDKD_B

Interactive Simulations and Educational Resources:

PhET Interactive Simulations. (n.d.). Geometric optics simulation. University of Colorado Boulder. Retrieved March 27, 2025, from
https://phet.colorado.edu/sims/html/geometric optics/latest/geometric-optics_all.html
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