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Atomic and Nuclear Physics
Briefly explain properties of nuclear forces. Prove that they get charged independently and spin 5Marks dependent.
Atomic and Nuclear Physics
Determine the harmonic oscillator frequencies in appropriate to the nuclei 17and N 60a.
Atomic and Nuclear Physics
expansion form of (2d - 3e + 4f)
Atomic and Nuclear Physics
{
{"An object of mass, m=5, at the origin has a velocity of (12 i - 18 \
j)m/s at t = 0. It is accelerated at a constant rate for 5 seconds \
after which it has a velocity of (5 i - 7 j)m/s."},
{"1. What is the magnitude of the resultant force acting on the \
object during this time interval?
TraditionalForm]\)= .....................N"},
{"2. How far is it from the origin after 3 seconds?
{"3. What is the speed after 3 seconds? Sp = \
.......................m/s"}
}
{"An object of mass, m=5, at the origin has a velocity of (12 i - 18 \
j)m/s at t = 0. It is accelerated at a constant rate for 5 seconds \
after which it has a velocity of (5 i - 7 j)m/s."},
{"1. What is the magnitude of the resultant force acting on the \
object during this time interval?
TraditionalForm]\)= .....................N"},
{"2. How far is it from the origin after 3 seconds?
{"3. What is the speed after 3 seconds? Sp = \
.......................m/s"}
}
Atomic and Nuclear Physics
How is energy convertable in matter?Please site examples.
Atomic and Nuclear Physics
the ratio of energy required to remove an electron from the first three bohrs orbit of hydrogen is?
Atomic and Nuclear Physics
1)Assume that the electron in He+ ion is excited to the second orbit (n = 2).Calculate the following: I) the radius of the orbit. ii)the velocity of the electron. iii)the potential energy of the electron. iv)the kinetic energy of the electron. [HINT:use equations derived for hydrogen atom] 2) (a) explain the shapes of 1s and 2ps orbitals of an atom with one electron. (b) calculate the de Broglie wavelength of Li+ ion, if it moves with the velocity of 2 * 10^4 m S^-1. assume that the mass of Li+ ion is equal to two mass of Li atom.
Atomic and Nuclear Physics
A photo sensitive material surface is illuminated alternatively with light of wave length 3100Å and 6200Å. It is observed that maximum speed of the photo electron in two cases are in ratio 2:1 the work function of metal is......
(hc=12400eVÅ)
(hc=12400eVÅ)
Atomic and Nuclear Physics
The work function of substances is 4eV. What is the longest wave length of light that can cause the emission of photo electric from this substances?
Atomic and Nuclear Physics
When the electromagnetic radiation of frequency 4*10^15 Hz and 6*10^15 Hz fall on a same metal in different experiment, the ratio of the maximum kinetic energy of electron liberated 1:3. What is the threshold frequency for the metal?
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