The image of the object in the human eye is formed on the cross screen. - Science and Technology 1

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MCQ
True or False

The image of the object in the human eye is formed on the cross screen.

Options

  • Right

  • Wrong

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Solution

The image of the object in the human eye is formed on the cross screen- Wrong

  Is there an error in this question or solution?
Chapter 7: Lenses - Right or Wrong sentence

RELATED QUESTIONS

Write the function of the following part of the human eye: ciliary muscles


Compare the following: Choroid and retina


Draw labelled diagrams of the following: Eye


Write short notes on the following: Retina 


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How does the eye regulate the amount of light that falls on the retina?


Explain the following:

Mechanism of generation of light-induced impulse in the retina.


Differentiate between: Rods and cones


The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the

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(c) blind spot

(d) optic chaisma


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Which. of the following has normal vision?

(a) Xc Xc
(b) Xc Y
(c) XC Xc
(d) Xc Yc


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Fill in the blanks in the following.

The size of the pupil becomes ________ when you see in dim light.


Draw a labelled sketch of the human eye.


Explain, why a normal eye is not able to see distinctly the objects placed closer than 25 cm, without putting any strain on the eye.


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Long answer question

Draw the neat labelled diagram of the Sectional view of the human eye.


For the normal human eye, the near point is at ___________ cm.


Draw a scientifically correct labelled diagram of a human eye and answer the questions based on it:

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  3. State the nature of the image formed of the object on the screen inside the eye.

A small hole of changing diameter at the centre of Iris is called _______.


For a normal human eye the near point is at _______.


In a relaxed state, the focal length of healthy eyes is _______.


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The part of human eye that transmits electrical signals to the brain.


Write the name.

The ability of lens to adjust the focal length as per need is


Write the name.

The fleshy screen behind cornea.


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The screen with light sensitive cells in human eye.


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For a healthy human eye, the distant point is infinite distance.


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Minimum distance of distinct vision


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Power of accommodation


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The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.


The following figure show the change in the shape of the lens while seeing distant and nearby objects. Complete the figures by correctly labelling the diagram.


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Why the human eye is compared with camera?


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Optic nerve


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Write down the names of parts of the eye in the blank spaces shown in the figure.


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______ of the eye is comparable to the film of a camera.


The coloured portion of the eye is the ______.


Match the following

1. Conjunctiva a. Coloured part of eye
2. Cornea b. Photosensitive layer
3. Iris c. Refraction
4. Retina d. Protection

What is ‘white of the eye’?


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Which cells of the retina enable us to see coloured objects around us?


The innermost layer of human eye is ______.


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Column - I Column - II
1. Retina a) Path way of light
2. Pupil b) Far point comes closer
3. Ciliary muscles c) near point moves away
4. Myopia d) Screen of the eye
5. Hypermetropia e) Power of accommodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Match the following:

Column - I Column - II
1

Retina 

a Pathway of light
2 Pupil b

Far point comes closer

3 Ciliary muscles c

near point moves away

4 Myopia d Screen of the eye
5 Hypermetropia f Power of accommodation

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What is aqueous humor?


With reference to human eye, answer the following question.

What is blind spot?


With neat, labeled diagram describe the structure of retina of eye.


Match the following:

Column - I Column - II
1. Retina a. Pathway of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia f. Power of accommodation

Match the following:

  Column - I   Column - II
1 Retina a  pathway of light
2 Pupil b

far point comes closer

3 Ciliary muscles c

near point moves away

4 Myopia d screen of the eye
5 Hypermetropia e power of accommodation

Column I Column II
1 Retina a Path way of light
2 Pupil b Far point comes closer
3 Ciliary muscles c near point moves away
4 Myopia d Screen of the eye
5 Hypermetropia e Power of accomodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Match the following:

Column - I Column - II
1. Retina a. Path way of light
2. Pupil b. Far point comes closer
3. Ciliary muscles c. near point moves away
4. Myopia d. Screen of the eye
5. Hypermetropia e. Power of accommodation

Arrange and rewrite the term in group in correct order to be in a logical sequence, beginning with the term that is underlined:

Pupil, Aqueous humour, Retina, Vitreous humour.


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