Atomic and Nuclear Physics Answers

If Uranium-238 is put in to fire will it explode?

A 1.0g sample of pure KCL from chemistry stock room is found to be radioactive and to decay at the rate of 1600 counts/sec.the decay are traced to be element potassium and in particular to isotope potassium 40 which constitude 1.18% of normal potassium.calculate half of this decay

What is approximate of nuclear matter from which all nuclei are made? Also compare with that water

Why farmer ploygh there fields after first rain

How many neutrons does element X have if its atomic number is 58 and its mass number it 166?

The surface of Lithium of work function ᶲ is illuminated by electromagnetic radiation whose electric field component varies with time as a=(1+Cos(omega)t)Cos(omega0)t . The maximum kinetic energy of photo electron liberated from surface is?

What impulse occurs when a force of 15 N Is Applied To An Object For 2 Sec ?

The surface of Lithium of work function ᶲ is illuminated by electromagnetic radiation whose electric field component varies with time as E=a(1+Cosωt)Coskt . The maximum kinetic energy of photo electron liberated from surface is______________

A cyclotron has a diameter of 25cm and accelerates protons at 1Mev

calculate speed of these protons
calculate momentum of these protons
calculate the magnetic field strength assuming that the protons move around the edge of the machine
calculate the frequency

Which force combines protons and neutrons together in the nucleus?