Question Text
Question 2 :
How many rectangular mirrors are there in kaleidoscope which yields to pattern filling entire field?<br>
Question 3 :
Part of the eye which controls the amount of light entering is called :<br/>
Question 4 :
Which of the following statements is correct regarding rods and cones in the human eye?<br>
Question 5 :
If an object is placed symmetrically between two plane mirrors inclined at an angle of $72^{\circ}$, then the total number of images formed is:<br/>
Question 6 :
Kaleidoscope  is based on the principle of ______ of plane mirrors. Fill in the blank.<br/>
Question 7 :
Image forming light sensitive screen of the eye is known as __________ and it contains __________.
Question 8 :
Splitting of light into its constituent colours is known as :<br/>
Question 9 :
Mark the WRONG statement:<br/>When two plane mirrors are placed parallel to each other: <br/>
Question 11 :
Clouds are white because of light scattering off of water droplets.
Question 12 :
The splitting of white light into its colored components is called _____.
Question 18 :
In kaleidoscope the part containing objects to be viewed is known as :<br/>
Question 19 :
What creates a colorful pattern through light entering the other end of Kaleidoscope?<br>