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प्रश्न
State the Function:
Visual purple
उत्तर
It has vitamin A derivative that helps the eyes to see in dim light.
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संबंधित प्रश्न
Write the function of the following part of the human eye: Cornea
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Which lens has a greater focal length?
What is the name of:
the curved, transparent front surface of the eye?
What is the:
near point of a normal human eye?
Give the scientific names of the following parts of the eye:
a clear window at the front of the eye.
List, in order, the parts of the eye through which light passes to reach the retina.
What happens to the size of pupil of our eye (i) in dim light (ii) in bright light?
Explain why, when it is getting dark at night, it is impossible to make out the colour of cars on the road.
Name two animals having eyes:
one the sides of the head.
Mention if the following statement is true (T) or false (F) Give reason.
Blind spot is called so because no image is formed on it.
Choose the correct answer.
In the chemistry of vision, the photosensitive substance is _________________
Choose the correct answer.
Which one is the photoreceptor _____________
Choose the correct answer.
Aperture controlling passage to light into the eye is ___________
Answer the following question.
Trace the sequence of events Whichoccur when a bright light is focused on your eyes.
Name the following:
The area where the image is formed but not seen by our eye is termed as.
Write an Explanation.
Minimum distance of distinct vision
Shylesh is a school-going kid studying standard VIII. He is crazy about playing video games on mobile phones. After a couple of months, his eyes turned red and he felt severe pain in his eyes. His science teacher enquired about this and advised his parents to take him to an eye doctor.
- How does excessive usage of mobile phone affect our eyes?
- What are the values shown by the teacher?
Name the following:
Kind of retinal cells sensitive to dim light.
Write the main functional activity of the following structure.
Ciliary body and suspensory ligament
With reference to human eye answer the question that follow:
Name the part of the eye associated with the layer providing nourishment to the eye.
