An object is placed 15 cm in front of a diverging lens whose focal length is 12 cm. Where will the image be located (in cm)?
A. ?6.7
B. ?7.2
C. ?0.15
D. ?60
E. ?5.0
Answer: A
You might also like to view...
Two current loops are coaxial and coplanar. One has radius a and the other has radius 2a. Current 2I in the outer loop is parallel to current I in the inner loop. The magnitude of the magnetic field at the center of the two loops is
A.
B.
.C.
.D.
.E.
.Where do we observe black holes?
A. In orbit around stars in binary systems. B. In the center of the Milky Way Galaxy. C. In the centers of elliptical galaxies. D. In quasars. E. All of the above.
When a 14.0-A current flows through an 8.00-? device for 24.0 hours, how much does this cost if energy costs $0.0900 per kW ? h?
A) $0.24 B) $3.39 C) $2.16 D) $1.04
If Mars is on your meridian at midnight, it is a great time to view Mars and we say that Mars is at
a)Perihelio b)greatest elongation c)conjuction d)opposition