science
Grade6
Easy
Question
The lens in a human eye is ___.
- Concave
- Convex
- Plano concave
- Plano convex
Hint:
It is thicker in the middle and thinner at the ends.
The correct answer is: Convex
The lens of the eye is biconvex which is a relatively acellular and optically transparent intraocular structure that works with the cornea to transmit light to the retina with minimal light scattering. The cornea accounts for approximately 80% of total refraction, and the lens fine-tunes the focused light onto the retina.
Related Questions to study
science
The light reflecting off an object enters the eyes and is focused on to a point on the retina. However, the object was not viewed by the person. What could be the reason behind this?
The light reflecting off an object enters the eyes and is focused on to a point on the retina. However, the object was not viewed by the person. What could be the reason behind this?
scienceGrade6
science
A person enters a bright room from a dark room. Which cells in the eye would help in vision?
A person enters a bright room from a dark room. Which cells in the eye would help in vision?
scienceGrade6
science
An object is perceived to be moving when its images appear at the rate of ___ images per second.
An object is perceived to be moving when its images appear at the rate of ___ images per second.
scienceGrade6
science
A normal human eye cannot see the object placed at a distance ____ from itself.
A normal human eye cannot see the object placed at a distance ____ from itself.
scienceGrade6
science
What would happen to the size of the pupil when a person enters a well-lit room from a dark room?
What would happen to the size of the pupil when a person enters a well-lit room from a dark room?
scienceGrade6
science
The images of objects formed on the retina are all real and inverted. Which organ interprets it and shows us the upright images?
The images of objects formed on the retina are all real and inverted. Which organ interprets it and shows us the upright images?
scienceGrade6
science
The blind spot ___.
The blind spot ___.
scienceGrade6
science
Which of the following parts of the eye is responsible for its color?
Which of the following parts of the eye is responsible for its color?
scienceGrade6
science
The eyes can see ___ clearly.
The eyes can see ___ clearly.
scienceGrade6
science
The size of the lens is controlled by the ___.
The size of the lens is controlled by the ___.
scienceGrade6
science
A normal eye can see the objects located at a distance ___ clearly.
A normal eye can see the objects located at a distance ___ clearly.
scienceGrade6
science
The braille system has ____ dot patterns.
The braille system has ____ dot patterns.
scienceGrade6
science
The eye lens focuses the light coming from the object onto the ___.
The eye lens focuses the light coming from the object onto the ___.
scienceGrade6
science
The visually impaired can read using ___.
The visually impaired can read using ___.
scienceGrade6
science
The image of an object formed on the retina is ____.
The image of an object formed on the retina is ____.
scienceGrade6
