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What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 4 state?i know that Solve h c/L =
1. 2 answers
2. 1,008 views
What is the de Broglie wavelength of electrons with the following value of kinetic energy? 1.06 eV;What is the de Broglie
1. 1 answer
2. 429 views
1) An electron moving with a speed of 2.84E+6 m/s has the same momentum as a photon. Calculate the de Broglie wavelength of the
1. 0 answers
2. 690 views
A typical gamma ray emitted from a nucleus during radioactive decay may have an energy of 736 keV. What is its wavelength?A
1. 2 answers
2. 2,597 views
Suppose a spacecraft of rest mass 34000 kg is accelerated to 0.206c. How much kinetic energy would it have?If you used the
1. 1 answer
2. 879 views
An object has a total energy that is two times its rest energy. What is its speed? Give answer in c.what equation do i use to
1. 1 answer
2. 660 views
An emf is induced in a conducting loop of wire 1.24 m long as its shape is changed from square to circular. Calculate the
1. 1 answer
2. 936 views
A 34.7 cm diameter coil consists of 20 turns of circular copper wire 1.50 mm in diameter. A uniform magnetic field,
1. 0 answers
2. 699 views
A 5.30 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.570 T pointing
1. 1 answer
2. 780 views
A 17.0 cm diameter circular loop of wire is in a 1.35 T magnetic field. It is removed from the field in 0.190 s. What is the
1. 0 answers
2. 427 views
At a certain location, the Earth's magnetic field has a magnitude of 5.90E-5 T and points in a direction that is 71.6° below
1. 2 answers
2. 787 views
A proton with a kinetic energy of 5.00E-16 J moves perpendicular to a magnetic field of 0.289 T. What is the radius of its
1. 0 answers
2. 539 views
Protons move in a circle of radius 4.10 cm in a 0.570 T magnetic field. What value of electric field could make their paths
1. 1 answer
2. 583 views
A high-voltage power line carries a current of 120 A at a location where the Earth's magnetic field has a magnitude of 0.577 G
1. 1 answer
2. 829 views
The force on a wire is a maximum of 7.33E-2 N when placed between the pole faces of a magnet. The current flows horizontally to
1. 1 answer
2. 1,209 views
If a capacitor has 3.84 μC of charge on it and an electric field of 2.22 kV/mm is desired if they are separated by 3.80 mm of
1. 0 answers
2. 358 views
Consider a region in space where a uniform electric field E = 7450 N/C points in the negative x direction. What is the distance
1. 0 answers
2. 519 views
A charge of -4.191 μC is located at (5.100 m, 6.402 m), and a charge of 1.895 μC is located at (-1.436 m, 0).Calculate the
1. 1 answer
2. 875 views
A uniform electric field of magnitude 203 V/m is directed in the negative y direction. A +12.5 μC charge moves from the origin
1. 0 answers
2. 1,043 views
How much work is needed to move a proton from a point with a potential of +470 V to a point where it is -51.0 V?Express your
1. 0 answers
2. 665 views
Two parallel plates, separated by 10 mm, are charged to a potential difference of 50 V (that is, one plate is 0 V and the other
1. 2 answers
2. 2,101 views
On planet Tehar, the acceleration of gravity is the same as that on Earth but there is also a strong downward electric field
1. 2 answers
2. 1,101 views
An electron starting from rest acquires 4.20 keV of kinetic energy in moving from point A to point B. How much kinetic energy
1. 1 answer
2. 1,827 views
An electric field of 630 V/m is desired between two parallel plates 15.9 mm apart. How large a voltage should be applied?
1. 1 answer
2. 801 views
What is the speed of a 680 eV electron?What is the speed of a 3.50 keV electron?
1. 1 answer
2. 939 views
A uniform electric field of magnitude 203 V/m is directed in the negative y direction. A +12.5 μC charge moves from the origin
1. 0 answers
2. 520 views
Calculate the magnitude of the electric field at the center of a square with sides 22.4 cm long if the corners, taken in
1. 1 answer
2. 1,467 views

Answers (4)

so i would do speed of light/(rydberg)/6^2=h?
what is h and c?
what would happen if it became 1/4 the total energy instead? how would the equation be set up?
what is H?

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