Asked by Luis
a thimble is 32.0 cm from a spherical concave mirror. The focal point lenght of the mirror is 11.0 cm. What is the image position?
Answers
Answered by
drwls
What you call the "focal point length" is usually called just the "ocal length" with symbol f. it is the place where sources at infinity
Use the formula
1/Do + 1/Di = 1/f
to find the image distance, Di.
The object distance is
Do = 32 cm
1/Di = 1/11 - 1/32 = 21/353
Di = 353/21 = 16.81 cm
Use the formula
1/Do + 1/Di = 1/f
to find the image distance, Di.
The object distance is
Do = 32 cm
1/Di = 1/11 - 1/32 = 21/353
Di = 353/21 = 16.81 cm