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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| Number 1. | Name Lens | Description This theory explains about lens, its types and uses in daily life. |
| Number 2. | Name Converging nature of lens | Description To know about the power of converging light rays using a convex lens. |
| Number 3. | Name Convex lens | Description This theory explains in detail about the image formation in convex lens and its uses. |
| Number 4. | Name Concave lens | Description This theory explains in detail about the image formation in concave lens and its uses. |
| Number 5. | Name Rainbow | Description This theory explains about the formation of rainbows by the splitting of white light. |
| Number 6. | Name Dispersion | Description To clearly explain about the process of dispersion with Newton's disc. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| Number 1. | Name Colours of rainbow | Type 1st type - receptive | Difficulty easy | Marks 2 m. | Description To familiarize with the colours present in the rainbow. |
| Number 2. | Name Sunlight | Type 1st type - receptive | Difficulty easy | Marks 2 m. | Description To understand about the sunlight and the colours present in it. |
| Number 3. | Name Nature of lens | Type 2nd type - interpretation | Difficulty medium | Marks 5 m. | Description To get familiarize with the concept of the lens, its types and its characteristics. |
| Number 4. | Name Images based on the lens | Type 2nd type - interpretation | Difficulty easy | Marks 3 m. | Description To know about the various uses of concave and convex lens in real life. |
| Number 5. | Name Images by a lens | Type 1st type - receptive | Difficulty medium | Marks 4 m. | Description To analyse the statements about light and image formation by lenses. |
| Number 6. | Name Formation of rainbow | Type 3rd type - analysis | Difficulty medium | Marks 4 m. | Description To analyse and apply the concepts of reflection and dispersion. |
| Number 7. | Name Splitting of light | Type 2nd type - interpretation | Difficulty hard | Marks 6 m. | Description To apply the concept of dispersion and rainbow formation. |
| Number 8. | Name Real and magnified images | Type 2nd type - interpretation | Difficulty medium | Marks 4 m. | Description To get familiarize with the types of images - real or inverted and magnified or diminished on looking at the images. |
| Number 9. | Name Prism | Type 2nd type - interpretation | Difficulty medium | Marks 4 m. | Description To apply the general informations learnt about the process of dispersion. |
| Number 10. | Name Spectrum of light | Type 2nd type - interpretation | Difficulty medium | Marks 4 m. | Description To know about the prism and the band of colours in dispersion. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| Number 1. | Name Image formation by lens | Type Other | Difficulty hard | Marks 10 m. | Description To apply the steps of the experiments showing that the formation of images by concave and convex lens. |
| Number 2. | Name Uses of lenses | Type Other | Difficulty hard | Marks 8 m. | Description To apply the concept of lenses, image formation and its application. |
| Number 3. | Name Newton's disc | Type Other | Difficulty hard | Marks 10 m. | Description A fun activity to make a Newton's disc using simple things at home. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| Number 1. | Name Training test 1 | Recomended time: 00:15:00 | Difficulty easy | Marks 9 m. | Description To get trained on the basics of lens and its nature with the help of natural light source. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| Number 1. | Name Homework 1 | Recomended time: 00:20:00 | Difficulty medium | Marks 13 m. | Description To get familiarize with the concept of dispersion and the formation of images in concave and convex lens. |
| Number 2. | Name Homework 2 | Recomended time: 00:20:00 | Difficulty medium | Marks 10 m. | Description A fun activity to show the splitting of white light from the Sun into the seven constituent colours with the helpf of Newton's disc. |
| Number 3. | Name Progress test 1 | Recomended time: 00:20:00 | Difficulty medium | Marks 18 m. | Description To check the progress on the concepts of formation of real and inverted images using the lenses along with the rainbow formation. |
| Number 4. | Name Progress test 2 | Recomended time: 00:20:00 | Difficulty medium | Marks 16 m. | Description To check your understanding on the concept of splitting of light by a prism. |
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