An object is placed 60 cm from a convex lens with a focal length of magnitude 10 cm. What is the magnification?
A) -0.10
B) 0.10
C) 0.15
D) 0.20
E) -0.20
E
You might also like to view...
A plane stress element on a bar in uniaxial stress has a tensile stress of ?? 5 78 MPa (see fig.). The maximum shear stress in the bar is approximately:
(A) 29 MPa
(B) 37 MPa
(C) 50 MPa
(D) 59 MPa
A board that is 20.0 cm wide, 5.00 cm thick, and 3.00 m long has a density 400 kg/m3. The board is floating partially submerged in water. What minimum mass would need to be set on the board to completely submerge the board?
A) 18.0 kg B) 12.0 kg C) 30.0 kg D) 48.0 kg E) 42.0 kg
A 3.0-kg block slides on a rough horizontal surface. A force of 8.0 N acting parallel to the surface is applied to the block. The coefficient of kinetic friction between the block and the surface is 0.15. What is the magnitude of the block's acceleration?
A. 1.9 m/s2 B. 1.2 m/s2 C. 2.3 m/s2 D. 1.5 m/s2 E. 2.9 m/s2
Two point charges are on the x-axis. One charge, 
is located at the origin, and the other charge, 
is located at x = 9.00 m. What is the force on 
?
A. 20.0 nN in the positive x-direction B. 20.0 pN in the positive x-direction C. 20.0 nN in the negative x-direction D. 20.0 pN in the negative x-direction E. 180 nN in the positive x-direction