What is principal focus?

Choose the correct alternative and write it along with its allotted alphabet: The image formed by a concave mirror is inverted and magnified when the object is ......... of the mirror. A. between the focus and the centre of curvature B. at the principal focus C. between the pole and the principal focus D. anywhere in front

Indicate the following terms related to spherical mirrors in figure: pole , centre of curvature , radius of curvature , principal focus.

Answer the following questions : With reference to spherical lenses , state the meaning of the following terms or define the following terms and draw the diagrams to illustrate the same: principal focus ( F)

What is the principal, if the interest is ₹ 35 for 1 year at 7 p.c.p.a. ?

Answer the following questions: Define the following terms related to spherical mirrors: Principal focus

Answer the following questions: What is the difference between the principal focus of the concave and convex mirrors?

State whether the following statements are true or false : ( If a statement is false , correct it and rewrite it.) : The principal focus of a convex lens is virtual.

What does the principal quantum number 'n' and azimuthal quantum number 'l' of an electron belonging to an atom represent?

What is the main focus of biofortification?

Define the following: Principal Focus(F)