What is the radius of the smallest Bohr orbit?

A) 2.14 × 10-9 m
B) 1.12 × 10-9 m
C) 1.56 × 10-11 m
D) 3.17 × 10-11 m
E) 5.29 × 10-11 m


E

Physics & Space Science

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A magnetic field is generated by a current-carrying wire. Which one of the following statements concerning this situation is false?

a) The magnitude of this magnetic field decreases with increasing distance away from the wire. b) A right-hand rule is useful for determining the direction of the magnetic field at a particular location. c) The magnitude of the magnetic field is directly proportional to the magnitude of the current. d) The magnetic field is parallel to the direction of the current in the wire.

Physics & Space Science

The discussion of the "launched apple" and the Moon shows that the

A. velocities of the apple and Moon are constant. B. motion of the Moon and apple can be explained by the same laws. C. apple and the Moon have the same acceleration. D. apple and the Moon experience the same-sized force.

Physics & Space Science

What is the minimum thickness of a nonreflecting film coating (n = 1.30 ) on a glass lens (n = 1.50 ) for wavelength 500 nm?

A) 250 nm B) 192 nm C) 167 nm D) 96.2 nm E) 83.6 nm

Physics & Space Science

The ____________________ of the sun is composed of ionized gas and produces a continuous spectrum with a superimposed emission spectrum

Fill in the blank(s) with correct word

Physics & Space Science