Question

1. The thin transparent tissue that covers the front of the eye is called ______.
2 The _________. nerve connects the eye to the brain.
3. ________muscles control the focal length of the eye
lens.
4. The band of the colors produced when the white light is split up is called a __________.
5. The space between the cornea and lens is filled with a liquid called _________.
6, Braille system was invented by _________.
7 Kaleidoscope is based on the concepts of _________.
8. Speed of light in air is _______ ms-1​

Answer 1

Answer:

1. Cornea
2. optic
3. Ciliary
4. dispersion
5. aqueous humur
6. Louis braille
7. Multiple reflection by two or more reflecting surfaces
8. 1.003

Answer 2

Answer:

1. The conjunctiva is the thin, transparent tissue that covers the outer surface of the eye.
2. The optic nerve, a cable–like a grouping of nerve fibers, connects and transmits visual information from the eye to the brain.
3. The ciliary muscles of the eye control the curvature of the lens in the eye and hence and alter the effective focal length of the system.
4. This band of seven colors is called the spectrum of white light.
5. The space between the cornea and eye lens is filled with a viscous liquid known as aqueous humor.
6. Louis Braille. His system remains virtually unchanged to this day and is known worldwide simply as braille.
7. Kaleidoscope is based on multiple reflections.
8. The speed of light in air is 3 × 108 ms-1.