Question Text
Question 3 :
What is the relation between wavelength ({tex}\lambda{/tex} ), velocity (V) and frequency (f)?
Question 4 :
The phenomenon of return of light in the same medium after striking a surface is called
Question 5 :
If you keep Lens A near a printed page, the letters will appear magnified. Then lens A is
Question 6 :
What is the condition when a lens is called an equiconvex or equi -concave?
Question 7 :
How many types of concave lens is obtained in market normally?
Question 8 :
According to the law of reflection the relation between the incident angle (∠i) and reflection angle(∠r)?
Question 10 :
When a ray of light enters into another optical medium, its wavelength and velocity change. The material in which wavelength and velocity decrease maximum, when the ray is travelling through air is :