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Questions and Answers
Which color of light has the longest wavelength?
Which color of light has the longest wavelength?
- Red (correct)
- Violet
- Green
- Blue
What happens to the speed of light when it travels through a denser medium?
What happens to the speed of light when it travels through a denser medium?
- It decreases (correct)
- It becomes zero
- It increases
- It remains constant
What is the speed of light in a vacuum?
What is the speed of light in a vacuum?
- $6.00 \times 10^8$ m/s
- $1.00 \times 10^9$ m/s
- $9.00 \times 10^8$ m/s
- $3.00 \times 10^8$ m/s (correct)
The image formed on the retina is real and inverted.
The image formed on the retina is real and inverted.
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The process of accommodation in the eye is mainly controlled by the ciliary muscles.
The process of accommodation in the eye is mainly controlled by the ciliary muscles.
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The lens of the eye always maintains a constant shape and curvature.
The lens of the eye always maintains a constant shape and curvature.
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What part of the eye is mainly responsible for adjusting the focal length to form a clear image on the retina?
What part of the eye is mainly responsible for adjusting the focal length to form a clear image on the retina?
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In the process of accommodation in the eye, what happens to the shape of the lens when focusing on near objects?
In the process of accommodation in the eye, what happens to the shape of the lens when focusing on near objects?
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What happens to the size and position of the image formed on the retina when viewing distant objects?
What happens to the size and position of the image formed on the retina when viewing distant objects?
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