A compound microscope has a 18-cm-long barrel and an objective lens with a focal length of 8.0 mm.
What is the focal length of the eyepiece to give a total magnification of 240? It is adjusted for minimum eyestrain for persons with a near point of 25 cm. A) 1.3 m
B) 1.5 cm
C) 1.9 cm
D) 2.1 cm
E) 2.3 cm
Question 2
If you stand in front of a convex mirror, at the same distance from it as its radius of curvature,
A) you will see your image and it will be the same size as you except upside down.
B) you won't see your image because it is focused at infinity.
C) you will see your image and you will appear larger than you.
D) you will see your image and you will appear smaller than you.
E) you won't see your image because there is none.
Transformation and Evolution of a Long-Period Comet
To maintain balance the bipedal pelvis has a foreshortened ilium and is broader and bowl-shaped. The
Apply long effleurage stroke to entire arm, from hand to shoulder. Brush off from shoulder to hand. ...
Measuring an infant’s length
Finding the length given total distance and distance longer than other point
Didinium, a barrel-shaped ciliate with tufts of cilia, catching (left) and engulfing (right) Paramec