PLEASE HELP!! A lens with f= 20.0 cm creates a virtual image at -37.5 cm (in front
of the lens). What is the object
distance?
(Mind your minus signs.)
(Unit = cm)

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

The particles that are found in the nucleus of an atom are

12. a body is a particular amount of matter. it can be a solid, liquid or gas. it can be described as existing in a. size and shape. b. motion and force c. time and space. d. location and movement.