Directions: Write TRUE if the statement is correct and FALSE if incorrect. Write your
answer before the number.

______ 1. Amplitude is the distance from the midpoint to the highest (or lowest) point
of a wave.
______ 2. Range refers to the extent or the limits between which variation is
possible.
______ 3. Crest is the distance between two successive identical parts of a wave.
______ 4. In a rainbow, the color that bends the most is violet.
______ 5. Rainbow is formed when light refracts at different angles.
______ 6. A plane mirror is a flat surface mirror; the image formed by a plane mirror is
called virtual image.
______ 7. Mirrors arranged parallel to each other can form finite image, a number
you can’t count.
______ 8. A kaleidoscope is a colorful optical instrument in which the mechanism of
multiple images is used.
______ 9. A convex mirror is used in car’s side mirror because it gives wider view
field than concave mirrors.
______ 10. Bulb is one of the artificial lights we use at night.
______ 11. Wave is a disturbance in space.
______ 12. Myopia is a condition in which light rays focus in front of the eye’s retina
instead of, on the retina.
______ 13. Lenses of our eyes are convex.
______ 14. Meniscus lens is used in correcting myopia.
______ 15. Remote control (IR remote) uses LED lights to transmit signals to control
devices