Exercise, 8th Sci., 16. Reflection of Light
ЁЯФЕ~~●●○○ ЁЯлР○○●●~~ ЁЯФЕ
рдЖрдкрд▓्рдпा рд╡िрдЬ्рдЮाрди рд╡िрд╖рдпाрдЪ्рдпा рдоाрд╣िрддीрд╕ाрдаी рдЦाрд▓ीрд▓ ЁЯСЗ рд▓िंрдХрд▓ा ЁЯЦЗ️ рд╕्рдкрд░्рд╢ рдХрд░ा.
┈┅━❀꧁꧂❀━•┈
1. If ∠i = 450, then ∠r = ?
2. The specialty of a ... is that the designs do not easily repeat themselves.
3. The reflection of light from a plane and smooth surface is called ... reflection of light.
4. The working of a kaleidoscope is based on the properties of ...............
5. Define reflection of light.
6. The reflection of light in ... reflection has not been obtained because the laws of reflection are not followed, but it is obtained because the surface is rough. (irregular).
7. If the angle between the incident ray and the reflected ray is 90°, what are the values of the angle of incidence and angle of reflection?
8. How do we see the image of the Moon in water?
9. Write the laws of reflection.
10. The point at which an incident ray falls is called the point of ... .
11. Laws of reflection are followed in both regular and irregular reflection.
12. A ... is used in submarines to see objects above the surface of the water.
13. The incident ray and the reflected ray are on the opposite sides of the ... .
14. The rays falling on any surface are called ... rays.
15. In ... reflection the angles of incidence at different points are different.
16. Kaleidoscope and periscope both use the properties of ... of light.
17. Reflection of light from a rough surface is called ... reflection of light.
18. The rays going away from the surface after reflection are called ... rays.
19. Draw a figure of the reflection of light.
20. In irregular reflection at any one point, the angles of incidence and reflection are ... .
21. The angle of ... is equal to the angle of incidence.
22. If the reflected ray makes an angle of 45° with the normal, what angle must the incident ray make with the normal?
23. If the angle between the mirror and reflected ray is 24°, what is the angle of incidence of the incident ray?
24. The incident ray, the reflected ray, and the normal lie in the same ... .
25. What will happen when a light ray is incident perpendicular to the mirror?
26. In irregular reflection, the angles of incidence for parallel rays of incidence are not ... .
▬▬▬۩۞۩▬▬▬
рдХाрд╣ी рд╢рдм्рджांрдиा рдЧुрдЧрд▓ рд▓िंрдХ ЁЯЦЗ️ рдЖрд╣े. ЁЯЩП
➖♾️⭕ЁЯФШ⭕♾️➖
рд▓ाрд▓ рдЕрдХ्рд╖рд░ाрдд рд▓िрд╣िрд▓ेрд▓े рд╢рдм्рдж рд╣े рдкुрд╕्рддрдХाрддीрд▓ рдЪुрдХा рджрд░्рд╢рд╡рддाрдд. рдХृрдкрдпा рджुрд░ुрд╕्рддी рд▓рдХ्рд╖ाрдд рдШ्рдпाрд╡ी. ЁЯЩП
┈┉━ *❍❀❀❍* ━┉┈
2026 рдкाрд╕ूрди рдЬрдЧ Gen Beta рдЪ्рдпा рдирд╡्рдпा рдкिрдвीрд▓ा рд╕ाрдоोрд░ं рдЬाрдгाрд░ рдЖрд╣े.
2026 рдкाрд╕ूрди 'рдЬрдирд░ेрд╢рди рдмीрдЯा'рдЪी рд╕ुрд░ुрд╡ाрдд!
2026 рдкाрд╕ूрди рдЬрди्рдорд▓ेрд▓ी рдоुрд▓ं 'рдЬрдирд░ेрд╢рди рдмीрдЯा' рдо्рд╣рдгूрди рдУрд│рдЦрд▓ी рдЬाрддीрд▓.
рдЬрдЧ рдЬрдирд░ेрд╢рди рдЕрд▓्рдлा рд╕ंрдкूрди рдПрдХा рдирд╡्рдпा рдпुрдЧाрдд рдк्рд░рд╡ेрд╢ рдХрд░рдд рдЖрд╣े.
рдиाрд╡ Gen Beta рдХा?
Gen Alpha рдиंрддрд░ рдЧ्рд░ीрдХ рд╡рд░्рдгрдоाрд▓ेрддीрд▓ рдкुрдврдЪे рдЕрдХ्рд╖рд░ рдо्рд╣рдгрдЬे Beta. рдпाрдоुрд│े рдирд╡्рдпा рдкिрдвीрдЪं рдиाрд╡рд╣ी Gen Beta рдЖрд╣े.
1901 рддे 2024 рдпा рд╢рддрдХрднрд░ाрдд GI рдЬрдирд░ेрд╢рдирдкाрд╕ूрди Gen Alpha рдкрд░्рдпंрдд рдЖрда рдкिрдв्рдпा рдЭाрд▓्рдпा.
Gen BetaрдЪी рдУрд│рдЦ.
рдбिрдЬिрдЯрд▓ рдЬрдЧ рдЖрдгि рд╡ाрд╕्рддрд╡िрдХ рдЬрдЧ рдпाрдордзрд▓ं рд╕ंрддुрд▓рди рд╕ाрдзрдгं рд╣े рдд्рдпांрдЪ्рдпा рд╕рдоोрд░ рдЖрд╡्рд╣ाрди рдЖрд╣े.
рдХोрдг рдЖрд╣े Gen Beta?
2026 рддे 2039 рджрд░рдо्рдпाрди рдЬрди्рдорд▓ेрд▓ं рдк्рд░рдд्рдпेрдХ рдоूрд▓ Gen Beta рдордз्рдпे рдпेрддं. рд╣ी рдкिрдвी рдЬрдЧाрдЪ्рдпा рд▓ोрдХрд╕ंрдЦ्рдпेрдЪ्рдпा 13-16% рдкрд░्рдпंрдд рдЕрд╕рдг्рдпाрдЪा рдЕंрджाрдЬ рдЖрд╣े.
рддंрдд्рд░рдЬ्рдЮाрдиाрдЪ्рдпा рдЬрдЧाрдд рд╡ाрдврдгाрд░ी рдкिрдвी
рдПрдЖрдп, рд░ोрдмोрдЯिрдХ्рд╕ рдЖрдгि рд╡्рд╣рд░्рдЪुрдЕрд▓ рд░िрдпाрд▓िрдЯी рд╣ी рдд्рдпांрдЪ्рдпा рдЬрдЧрдг्рдпाрдЪी рдирд╡ी рднाрд╖ा рдЕрд╕ेрд▓. рд╣ी рдкрд╣िрд▓ी рдкिрдвी рдЕрд╕ेрд▓ рдЬी рдЬрди्рдоाрдкाрд╕ूрдирдЪ рдкूрд░्рдгрдкрдгे рдбिрдЬिрдЯрд▓ рдЬрдЧाрдд рдЕрд╕ेрд▓.

рдЯिрдк्рдкрдг्рдпा
рдЯिрдк्рдкрдгी рдкोрд╕्рдЯ рдХрд░ा