To be dimensionally consistent, force
pressure
must be related as follows.
A.
B.
C.
D.
C.
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The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.50 cm, respectively. An object is placed at 0
30 cm from the objective lens and the image of this object is viewed with the eyepiece adjusted for minimum eyestrain (with the eye focused at the far point). The near point of the person using the microscope is 25 cm and the far point is at infinity. What is the final overall magnification of the microscope? A) -320 x B) -470 x C) -240 x D) -300 x E) -190 x
What is meant by the wavelength of light? By its frequency? Show how they are related to each other
What will be an ideal response?
Meteorologists commonly measure and report (on radio and television) pressure in units of ______________
Fill in the blank(s) with correct word
Galaxy seeds around which galaxies, clusters, and walls grey may have been
a. caused by hot dark matter. b. caused by baryons. c. the result of the separation of the electromagnetic and weak forces. d. the result of freezing water molecules shortly after the universe became transparent to photons. e. caused by defects in space-time.