ray-optics-and-optical-instruments Question 27
Question: Q. 9. Write the relationship between angle of incidence ’
$$ \begin{equation*} \text {
Show Answer
Solution:
Ans. } \quad A+\delta_{m}=2 i \tag{1} \end{equation*} $$
[CBSE Marking Scheme 2013]
[AI
[O.D. Comptt. I, II, III 2013]
Ans. If the wavelength of light incident on a convex lens is increased, its focal length will also increase.
[CBSE Marking Scheme 2013]