science
Grade6
Easy
Question
An object is perceived to be moving when its images appear at the rate of ___ images per second.
- 12
- 24
- 9
- 5
Hint:
An object is perceived to be moving when its images appear at the rate of 24 images per second.
The correct answer is: 24
- The rate is 24 images per second. It's because our eyes can't process anything moving faster than 24fps.
- Anything slower than that won't be perceived as it's moving.
Related Questions to study
science
A person enters a dark room. Which cells in the eye would help in vision?
A person enters a dark room. Which cells in the eye would help in vision?
scienceGrade6
science
The least distance of distinct vision of a human eye is ___ cm.
The least distance of distinct vision of a human eye is ___ cm.
scienceGrade6
science
What happens to the size of the pupil when a person gets out of the house on a sunny day?
What happens to the size of the pupil when a person gets out of the house on a sunny day?
scienceGrade6
science
The size of the pupil is controlled by the ___.
The size of the pupil is controlled by the ___.
scienceGrade6
science
Which of the following is good for your eyes?
Which of the following is good for your eyes?
scienceGrade6
science
Which of the following parts of the eye controls the amount of light entering the eye?
Which of the following parts of the eye controls the amount of light entering the eye?
scienceGrade6
science
Deficiency of vitamin ___ may cause eye problems.
Deficiency of vitamin ___ may cause eye problems.
scienceGrade6
science
The lens in a human eye is ___.
The lens in a human eye is ___.
scienceGrade6
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