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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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

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

State Pascal's Principle

What will be an ideal response?

Physics & Space Science