Question Text
Question 3 :
When a light passing from one denser medium to a rare medium then the velocity of light
Question 4 :
In visible light which colour light has maximum deviation when passing through a prism?
Question 6 :
If the medium of both side of the lens are same then the focal lengths of the lens are numerically same. Is the statement true or false?
Question 7 :
The distance of focus from the optical centre of lens, is called its<br/>__________________.
Question 8 :
The lens which is thick in its periphery and thin at the middle. This lens is called _________
Question 9 :
According to the law of reflection of light, the incident ray, the normal at the point of incidence and the reflected ray all lie in one plane. Is it true or false?
Question 12 :
What type lens is used for a person suffering from long slightness?