Search
.Management Sciences
Category: Optical Instruments
The minimum distance between an object and its real image in a convex lens is_____________?
0
A. 2 f
B. 2.5 f
C. 3f
D. 4f
Michelson devised the formula to calculate the speed of light_______________?
A. C = 4fd
B. C = 8fd
C. C = 16fd
D. C = 5/2fd
Final image produced by a compound microscope is_____________?
A. real and inverted
B. real and erect
C. virtual and erect
D. virtual and inverted
A lens which converges a beam of parallel rays to a point is called______________?
A. diverging (or concave) lens
B. converging (or convex) lens
C. plano concave lens
D. plano convex lens
Michelson calculated the speed of light using the instruments______________?
A. spectrometer
B. galvanometer
C. interferometer
D. none of these
The diameter of a lens is called________________?
A. focal length
B. principal axis
C. aperture
D. radius of curvature
Recent Comments