The function of the iris is to control the amount of light entering the eye. It achieves this by adjusting the size of the pupil, thereby regulating the light that reaches the retina. This ensures optimal lighting conditions for clear ...
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The image formed on the retina is smaller than the object but inverted. The eye’s lens projects a reduced, upside-down image onto the retina. The brain then processes this information, correcting the inversion and enabling us to perceive the image ...
The part of the eye that controls the amount of light entering the eye is the iris. The iris adjusts the size of the pupil, regulating the light that reaches the retina, thereby ensuring optimal lighting conditions for vision in ...
In eye donation, the part of the donor’s eye that is transplanted is the cornea. The cornea is the clear, dome-shaped surface that covers the front of the eye and helps focus light onto the retina. Corneal transplants can restore ...
Light waves are converted into nerve impulses in the retina. The retina contains photoreceptor cells (rods and cones) that detect light and convert it into electrical signals. These signals are then transmitted to the brain via the optic nerve, where ...
The minimum distance of clear vision for a healthy eye is 25 cm. This is known as the near point of the eye, where objects can be seen clearly without strain. It allows the eye to focus on close objects ...
If a person cannot see distant objects clearly, the defect in vision is near sightedness. Near sightedness, or myopia, occurs when light entering the eye is focused in front of the retina instead of directly on it, causing distant objects ...
A person suffering from nearsightedness (myopia) can see nearby objects clearly but has difficulty seeing distant objects. Myopia occurs when light entering the eye is focused in front of the retina, causing distant objects to appear blurred. This condition can ...
NCERT Book Poorvi English Class 6 Class 6 English NCERT Chapter 3 Chapter 3 Neem Baba Class 6 English Unit 3: Neem Baba Session 2024-2025.
No, according to Newton’s third law of motion, action and reaction forces are always equal in magnitude and opposite in direction. This principle holds true in all interactions, including the spring balance setup described.