An object 4.0 cm in height is placed 8.0 cm in front of a concave mirror with a focal length of 10.0 cm. What is the position of its image in relation to the mirror and what are its characteristics?
A)
40.0 cm on the other side of mirror, real, 6.0 times bigger
B)
10.0 cm on the other side of mirror, virtual, 10.0 times bigger
C)
18.0 cm on the same side of mirror, virtual, 2.25 times bigger
D)
10.0 cm on the same side of mirror, real, 6.0 times bigger
E)
40.0 cm on the other side of mirror, virtual, 5.0 times bigger
E
You might also like to view...
__________is one of the ice giants of the Solar System
A) Saturn B) Uranus C) Pluto D) Mercury
Gravitational Force: Two small objects, with masses m and M, are originally a distance r apart, and the gravitational force on each one has magnitude F. The second object has its mass changed to 2M, and the distance is changed to r/4. What is the magnitude of the new gravitational force?
A. F/32 B. F/16 C. 16F D. 32F E. 2F
Two infinite parallel surfaces carry uniform charge densities of 0.20 nC/m2 and ?0.60 nC/m2 . What is the magnitude of the electric field at a point between the two surfaces?
a. 34 N/C b. 23 N/C c. 45 N/C d. 17 N/C e. 90 N/C
What is the equivalent resistance between points a and b when R = 12 ??
a.
20 ?
b.
16 ?
c.
24 ?
d.
28 ?
e.
6.0 ?