An object is placed at the center of curvature
of a concave mirror. The object distance is
a) zero.
b) shorter than the focal length.
c) the same as the focal length.
d) twice the length of the focal length.
d
You might also like to view...
The term terminator refers to the boundary line dividing day and night on the surface of a planet or moon. In this experiment, it is the line between the bright and dark side of the Moon. State the phase of the Moon when the terminator is the (a) sunrise line, (b) sunset line
1.50 moles of an ideal gas freely expands from 1.00 liter to 4.50 liters. The change in entropy in the expansion is
A. 5.80 J/K B. 8.50 J/K C. 16.3 J/K D. 18.7 J/K
Mass on a Spring: A 0.50-kg object is attached to an ideal spring of spring constant (force constant) 20 N/m along a horizontal, frictionless surface. The object oscillates in simple harmonic motion and has a speed of 1.5 m/s at the equilibrium position. At what distance from the equilibrium position are the kinetic energy and potential energy of the system the same?
A. 0.017 m B. 0.029 m C. 0.12 m D. 0.17 m
Power: The power rating of a 400-? resistor is 0.800 W.(a) What is the maximum safe voltage across this resistor?(b) What is the maximum current the resistor can safely draw?
What will be an ideal response?