The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 10^?10 m. The electric potential created by the electron at the position of the proton is
a. ?13.6 V.
b. +13.6 V.
c. ?27.2 V.
d. +27.2 V.
e. +5.12 × 10^9 V.
c
You might also like to view...
A galvanometer has an internal resistance of 100 ? and deflects full-scale at 2.00 mA. What size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 mA,
and how should this resistor be connected to the galvanometer? A) 50.0 ? in series with the galvanometer B) 50.0 ? in parallel with the galvanometer C) 75.0 ? in parallel with the galvanometer D) 100 ? in parallel with the galvanometer E) 100 ? in series with the galvanometer
Many of the mechanical applications of copper alloys are due to high thermal conductivity and excellent _________resistance.
Fill in the blank(s) with the appropriate word(s).
Two frisky otters slide down frictionless hillsides of the same height but different slopes. The slope of the hill of otter 1 is 30°, while the slope of the hill of otter 2 is 60°
If both start from rest, which otter is moving faster when she reaches the bottom of her hill? A) Otter 1 is moving faster. B) Otter 2 is moving faster. C) The heavier otter is moving faster, no matter which hill she used. D) Both otters have the same speed at the bottom. E) The otter that took the shorter time is moving faster.
An object travels in a circle of radius 2.0 m with a constant speed of 4.0 m/s. What is the direction of its acceleration?
a. Toward the center of the circle b. Normal to the plane of the circle c. Insufficient data given for determination d. Tangential to the circle e. None of these