give one word answers
1. a highly polished glass with a reflecting surface.
2. Irregular reflection of light.
3. A parallel beam of light from a point source.
4. a beam of white light forming a spectrum.
5. Central coloured part of an eye.
6. Muscles which hold the lens in the eye in position.
7. the nerve ending with sense light a black and white.
8. The nerve endings which sense colours.
9. The instrument with three mirrors
which shows multiple images.
10. Name given to the angle between the incident
ray and the normal in respect of a plane mirror?
Answers
Answer:
1) Mirror 2)This type of reflection occurs due to irregularity of the reflecting surface.
Regular reflections occur from smooth or polished surfaces 3) When a point light source is placed at the focus of concave mirror then it all light rays after reflection through mirror will become parallel to the principal axis 4) Spectrum of white light 5) Iris: the colored part. Cornea: a clear dome over the iris. Pupil: the black circular opening in the iris that lets light in. Sclera: the white of your eye. 6) Ciliary Muscle 7) Cranial Nerves: Sensory nerves are involved with your senses, such as smell, hearing, and touch. ... to light. 8) The retina contains delicate light-sensitive nerve fiber endings called cones and rods. The RODS are more sensitive to light than the cones; they function primarily during "night" vision. 9) kaleidoscope 10
Name given to the angle between the incident ray and the normal in respect of a plane mirror?
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The normal line divides the angle between the incident ray and the reflected ray into two equal angles. The angle between the incident ray and the normal is known as the angle of incidence. The angle between the reflected ray and the normal is known as the angle of reflection.