Question

Match the following -

Science Class 8 Ch - Light ​

Answer 1

Answer:

Reflection- Bouncing back of light

Normal Vision- 25 cm

Smooth surface- Regular reflection

Kaleidoscope- Multiple images

Hypermetropia- Long-sightedness

Cornea- Front part of eye

Rainbow- Dispersion of light

Blind spot- No sensory nerves

Braille system- For visually challenged people

Rods- Sensitive for bright light

Cones- Sensitive for dim light

Myopia- Short-sightedness

Retina- Image formed

Cloudy lens- Cataract

Accommodation power- Ability to focus

I'm not sure about the rods and cons ones It means that rods are responsible for the vision in dim condition and the cones help us in colour vision and the cones get activated only in bright light conditions.

Hope it helps ya~

Answer 2

1. (b)

2. (c)

3. (a)

4. (g)

5. (j)

6. (h)

7. (e)

8. (l)

9. (f)

10. (k)

11. (i)

12. (d)

13. (o)

14. (m)

15. (n)