A lightbulb is 3.5 m from a wall. Part A What is the focal length of a lens that will form an image on the wall that is twice the size of the lightbulb? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) f= Submit Part B HA Value Units ? What is the position (measured from the bulb) of the lens. Express your answer to two significant figures and include the appropriate units.

A lightbulb is 3.5 m from a wall. Part A What is the focal length of a lens that will form an image on the wall that is twice the size of the lightbulb? Express your answer to two significant figures and include the appropriate units. ► View Available Hint(s) f= Submit Part B HA Value Units ? What is the position (measured from the bulb) of the lens. Express your answer to two significant figures and include the appropriate units.