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Human eye and the Colourful World

Class 10

Answer the questions of 1 mark.


1 ) Which part of eye controls the amount of light entered to the eye?

2 ) Why do Different person have different colour of eye ?

3) Which part of image is obtained on retina?

4) Write the name of parts of eye through which light enters ?


5 ) Write the name of parts which hold the lens ?


6) Which shape of cells are responsible for intersecting of light?

7 ) Which shape of cells are responsible for colour of light ?

Answer 1

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HERE ARE YOUR ANSWERS

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_______ANSWERS________

ANS 1 :- IRIS is the part of light which regulates the amount of light entering into our eye...


ANS 2:- Many persons have different colours of eyes is because of Heredity ...

ANS 3:- REAL AND INVERTED TYPE OF IMAGE IS OBTAINED ON RETINA...

ANS 4:- FIRSTLY , LIGHT ENTERS THROUGH Cornea and then passes through pupil and iris .....
After this journey , it reached to Retina in a image form...

ANS 5:- CILIARY MUSCLES ARE FOUND IN EYES TO HOLD THE LENS...

ANS 6:- ROD LIKE SHAPE OF CELLS ARE RESPONSIBLE FOR INTERSECTION OF LIGHT

ANS 7:- SOME HOW PRISM TYPE.....


HOPE IT HELPS U☺☺

Answer 2

Explanation:

1 . pupil

2.different people. have different colours of eye because of following reasons

actually in our eyes in part of iris a pigment named melanin is present .

due to variations of this pigment the colour of eye varry

▶ lack of this pigment results blue eye

▶ few amount of this pigment results green eye

▶ and high amount of this pigment results black or brown eye

3. real and inverted

4. light enters from pupil , iris control its size when there is dim light it expand and when there is more light it collapse , then it goes through eyelens then the image formed on retina

5. eyelens is attached with muscles

ciliarly muscles

6.rod shaped

7.cone shaped