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- 1. Fill in the Blank
_______________ Image is formed in human eye. (Type of image)
- 2. Multiple Choice
Name the colour sensitive cells present in retina.
Cone Cells
Rod Cells
Both 'a' and 'b'
None of the above
- 3. Multiple Choice
The near point for a normal human eye is -
25 m
2.5 m
25 cm
2.5 cm
- 4. Open Ended
Why the sky appear black to an astronaut?
- 5. Open Ended
What type of lens is used for correction of Presbyopia?
- 6. Draw
Draw a diagram to show refraction of light in a prism.
Background image
- 7. Open Ended
A myopic person has far point of 200cm. What is the nature and power of lens used to correct the defect?
- 8. Open Ended
Explain why the stars twinkle.
- 9. Open Ended
Write in brief the role of – (a) cornea, (b) pupil, (c) ciliary muscles.
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