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As one grows old, ciliary muscles become...

As one grows old, ciliary muscles become weak. True/false

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NAVNEET PUBLICATION - MAHARASHTRA BOARD-LENSES-True and False
  1. A convex lens is used as a simple microscope . True/False

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  2. A concave lens is used to correct myopia. True/False

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  3. A convex lens is used to correct hypermetropia. True/False

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  4. When red light falls on the eyes , the cells responbing to red light ...

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  5. When an object is placed in front of a concave lens , its image is obt...

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  6. The image formed by a concave lens is always virtual.

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  7. The principal focurs of a convex lens is virtual.

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  8. An object of height 2 cm forms an image of height 3 cm when placed in ...

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  9. Absence of rod like cells results in colour blindness. True/False

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  10. Nearsightedness can be corrected using spectacles having convex lenses...

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  11. Farsightedness can be corrected using spectacles having lenses of suit...

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  12. As one grows old, ciliary muscles become weak. True/false

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  13. In a simple microscope, the object is placed within the focal length o...

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  14. A compound microscope forms an erect and real image of a small object.

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  15. In a compound microscope, a real image acts as an object for the eye...

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  16. In television, we see a continuous picture due to persistence of visio...

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  17. The conical cells can respond differently to red, green and blue colou...

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  18. The rod like cells respond to colours, and communicate the presence of...

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  19. The conical cells respond to the intensity of light and communicate th...

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  20. Generally, using the same objective lens, but different eyepieces, dif...

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