A5·cm tall candle is placed 90·cm from a lens with a focal length of +30·cm. note: enter the absolute value of your answers for all distances and heights use the signs to determine the type and orientation of the images.
(a) how far from the lens will the image be? cm.
(b) how tall will the image be? cm
(c) which of the following describes the image? choose all that apply.
real
virtual
upright
inverted
now, imagine that the candle is moved closer, so that it is only 24·cm from the lens.
(d) how far from the lens will the image be? cm.
(e) how tall will the image be? cm
(f) which of the following describes the image? choose all that apply.
real
virtual
upright inverted