chapter 33 optical instruments 36 what is the unit of lens or mirror strength answer in one word

Question

Madhur L · Answer

Hello students, in this question first write what we have given in this question from the figure

Adi S · Answer

focal length that is f is equal to plus 25 centimeter now distance of the object from the lens u

Pranil T · Answer

Hello friends in this question we have a diverging lens Diverging lens and diverging lens is a c

Adi S · Answer

The concave lenses are also known as diverging lens. It has negative focal length and the image

Averell Hause · Answer

So we can say here for a conversion lens, we know that the focal length should be a positive val