A student conducts an activity using a concave mirror with focal length of 10 cm. He placed the object 15 cm from the mirror. Where is the image likely to form?

Q. A student conducts an activity using a concave mirror with focal length of 10 cm. He placed the object 15 cm from the mirror. Where is the image likely to form?

A.            at 6 cm behind the mirror

B.            at 30 cm behind the mirror

C.            at 6 cm in front of the mirror

D.            at 30 cm in front of the mirror

Answer: at 30 cm in front of the mirror