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In which situation , the value of focal ...

In which situation , the value of focal length of the lens is equal to the value of the image distance ?

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For the objects at infinity distance, the value of focal length of the lens is equal to the value of the image distance .
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VGS PUBLICATION-BRILLIANT-HUMAN EYE AND COLOURFUL WORLD-CREATIVE QUESTIONS FOR NEW MODEL EXAMINATION (SECTION-I) (1/2 MARKS QUESTIONS)
  1. In which situation , the value of focal length of the lens is equal to...

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  2. What is the value of least distance of distanct vision for children be...

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  3. Your father cannot see the objects at the distance of 10 cm from the e...

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  4. What is the value of angle of vision of human beings ?

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  5. Which of the following object an seen by human beings ?

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  6. Match the following . {:("a) Angle of vision","i) 2.5 cm"),("b) Lea...

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  7. What is the shape of eye ?

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  8. Where does aqueous humour present in the eye?

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  9. Pupil is

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  10. A: Pupil appears black in colour. R: Any light falling on it goes in...

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  11. When does pupil expand ?

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  12. Which part is called as "variable aperture" in our eye ?

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  13. What is the distance between the lens and retina of eye ?

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  14. For a eye lens, which quantity is fixed ?

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  15. Which one helps to change the radii of curvature of the eye lens ?

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  16. To which part of the eye, ciliary muscles are attached ?

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  17. The eye lens is

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  18. Arrange the parts in one order from the front of the eye. Lens, aqu...

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  19. How do ciliary muscles respond, when the eye is focussed on a distant ...

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  20. If the ciliary muscles are strained, what would be the position of the...

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