January 2025
Intermediate to advanced
568 pages
18h 34m
English
1. 1-e, 2-d, 3-a, 4-b, 5-c
2. Transparent – Clear water, glass, bulb, plastic sheet
Translucent – Buffer paper, glue, honey, fluorescent sheet
Opaque – Fevicol, leaves, notebook, human body
3. (C) Light causes the sensation of both vision and sight.
4. (D) Light is an electromagnetic radiation, form of energy and massless.
5. (C) Light shows rectilinear propagation.
6. Refer to the heading ‘Essentials of a shadow’
7. No
8. Umbra
9. Penumbra
10. Refer to the heading ‘Formation of a shadow’
11. Pinhole camera
12. Mirror
13. Beam of light
14. Periscope
15. Shadow
1. (B) Glass allows the light to pass through ...
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