(1) The perpendicular line drawn to the reflecting surface at the point of incidence is called the __________.
(2) __________ is a light sensitive screen in our eye.
(3) When two mirrors are kept parallel to each other the number of images is _____________.
(4) Kaleidoscope works on the principle of __________.
(5) The splitting of white light into its constituent colours is called ________.
(6) The coloured part of eye is _________.
(7) The ________muscles alter the ________ of the eye lens.
(8) Defect which lead to the clouding of the eye lens is called _________.
(9) The near point of human eye is _________.
(10) ________ can be corrected by using a concave lens of suitable focal length.
(11) Refraction occurs because the ________ of light is different in different medium.
(12) When white light passes through a prism, it is __________.
(13) In a Kaleidoscope, the mirrors make an angle of _______ with each other.
(14) The English Braille system uses _________ dots.
(15) The process by which the ciliary muscles adjust the focal length of an eye lens to focus distant or near objects on the retina is called the _____________________.
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Answers
Answered by
2
Answer:
1)normal ray
2)The visible 'white' of eye
3)infinite
4)law of reflection
5) dispersion
6)iris
7) ciliary,focal length
8)cataract
9)25cm
10) Myopia/ Short sightedness
11) different speed
12)bend or dispersed into it's constituent colours
13)45°
14)cells of six raised dots
15)power of accommodation
by the way are you from VIII th std (cbse)?
is this from the chapter the radiance of light?
Answered by
0
Answer:
1) normal ray
2)The visible 'white' of eye
3) infinite
4) law of reflection
5) dispersion
6) iris
7) ciliary, focal length
8) cataract
9) 25cm
10) Myopia/ Short sightedness
11) different speed
12) bend or dispersed into it's constituent colors
13) 45°
14) cells of six raised dots
15) power of accommodation
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