A class VII teacher wishes her students to infer the characteristics of the images formed by the plane mirrors. Which of the following activities would be most helpful in introducing this topic?

Question

A class VII teacher wishes her students to infer the characteristics of the images formed by the plane mirrors. Which of the following activities would be most helpful in introducing this topic?

Students draw ray diagrams showing image formation
Students place different objects at different locations in front of a plane mirror and observe the characteristics of their images
Students study the diagram of a periscope given in the textbook
Students play around with a pin hole camera and record their observations

LohaHridoy

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2025-01-04 04:42

1 Answers

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AhmedNazir · Accepted Answer · 2022-09-04T04:29:57+06:00

Option 2 : Students place different objects at different locations in front of a plane mirror and observe the characteristics of their images

Activities are the tasks designed or deployed by the teacher to bring about the conditions for learning.

A plane mirror refers to a mirror with a flat reflective surface.

Activity for teaching image formation by plane mirrors-
- For introducing the topic of image formation by plane mirror the teacher should ask students to place different objects at different locations in front of a plane mirror and observe the characteristics of their images.
  - For example- Ask the students to place a lighted candle in front of a plane mirror and see the flame of the candle in the mirror. Then moving the candle to different positions and observing the image in each case.
  - It shows that the image formed by the plane mirror is of the same size as the object and will always be virtual and erect.
  - This activity will help children to develop a deeper understanding of the concept and encourage them to be independent and inquisitive as it focuses on investigation and analysis and also develops critical thinking.

Hence, we conclude that placing objects at different locations and observing the characteristics of the images is the most helpful activity for the introduction of the topic.

Hint

Ray diagrams will be difficult for understanding the concept of image formation for the students of class 7.
Studying the diagram of the periscope will not involve the children in the learning process actively.