3.Apin 3 cm tall is placed 10cm infront of a mirror of focal length 8cm. Determine the graphical method: a) Nature of the image
b) The image distance
c) Magnification of the image

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Most short-period comets do not have randomly oriented orbits because

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples