Reza's face is 20 cm in front of a concave shaving mirror having a focal length of magnitude 30 cm.How large is the image of his face?
A)half as large as his face
B)of the same size as his face
C)twice as large as his face
D)three times as large as his face
E)four times as large as his face
A concave mirror having a focal length of magnitude 5.0 cm forms an image 4.0 cm behind the mirror.Where is the object for this image?
A)2.2 cm in front of the mirror
B)2.2 cm behind the mirror
C)9.0 cm in front of the mirror
D)1.0 cm behind the mirror
E)20 cm behind the mirror
A concave spherical mirror with a radius of curvature of 20 cm creates a real image 30 cm from the mirror.How far is the object from the mirror?
When an object is 12 cm in front of a concave spherical mirror,the image is formed 3.0 cm in front of the mirror.What is the focal length of the mirror?