State whether the following statements a...

State whether the following statements are True (T) or False (F):
The focal length of all types of mirrors ((plane, spherical and parabolic) is half the radius of curvature.

Similar Questions

Explore conceptually related problems

State whether the following statements are True (T) or False (F): A cell is a source of electrons.

State whether the following statements are True (T) or False (F): In Boolean algebra (A+A) = A.

State whether the following statements are True (T) or False (F): Electric field is a scalar field.

State whether the following statements are True (T) or False (F): The discharge equation of a cell is E=V - Ir.

State whether the following statements are True (T) or False (F): The charging equation of a cell is V= E + Ir.

State whether the following statements are True (T) or False (F): The charge of a body may be 2 xx 10^19C .

State wheteher the following statements are True (T) or False (F): All insulators are dielectrics.

State whether the following statements are True (T) or False (F): The output current of any rectiier is pulsating current.

State whether the following statements are True (T) or False (F): The focal length of the new combined lens of f1 and f2 each are f is 2f.

State whether the following statements are True (T) or False (F): Kirchoff's 1st law is an extension of Ohm's law.