What potential difference is needed to accelerate a proton from rest to give it a wavelength of 2.00 × 10^–12 m?
a. 411 V b. 206 V
c. 1650 V d. 617 V
a
Physics & Space Science
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To keep a telescope fixed on a stellar target over time as Earth rotates, the telescope must have a/an _____________________
Fill in the blank(s) with correct word
Physics & Space Science
The dark area stretching from the center of this picture to the upper right is about 50 light-years long and lies in the plane of the Milky Way Galaxy. What is it?
A) a star-forming cloud B) a region of the galactic plane in which there are few stars C) the expanding remains of a supernova D) a black hole
Physics & Space Science
Folded rock layers that resemble an arch are called
a. inclines. b. synclines. c. anticlines. d. paraclines.
Physics & Space Science
State Pascal's Principle
What will be an ideal response?
Physics & Space Science