In an electron microscope, electrons are focused by the means of
A) convex lens
B) con...
Physics, 31.03.2020 18:50, rosieanneanney
In an electron microscope, electrons are focused by the means of
A) convex lens
B) concave mirror
C) liquid lens
D) magnetic lens
Answers: 1
Physics, 22.06.2019 05:10, blondesaturn
Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.
Answers: 3
Physics, 22.06.2019 06:30, azireyathurmond1
=force × distance a. work b. velocity c. pressure d. momentum
Answers: 1
Physics, 22.06.2019 23:00, rtryf57rfgth
Which wave is the result of amplification and produces a louder sound
Answers: 1
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