Atomic and Nuclear Physics Answers

Calculate the period of a sound wave that sustains an intensity of 67w / m2 at an amplitude of 12m considering that its velocity is 34m / s and a fluid density of 89kg / m3.

Write down the electronic configuration of Be (Z = 4) and determine the spectral terms 

for the ground state and first two excited states. Show transitions diagrammatically.

The period T of a simple pendulum is assumed to be affected by the following quantities.1 mass of bulb m 2 length of pendulum l 3 acceleration due to gravity g

if the empirical formula for the period T is T =Kmlg .find the relationship between T and the products of these two quantities using dimensional analysis

A plane mirror and a concave mirror of radius of curvature 60 cm are placed facing each other with a point object at the centre of them, if the image formed by first reflection at the spherical mirror and then at the plane mirror coincides with the object then the separation between two mirrors will be

Calculate ionization potential and first excitation potential of the hydrogen

atom taking ℎ = 6.62 x 10−34𝐽𝑠, 𝑒 = 1.6 x 10−19

, 𝑚 = 9.1 x 10−31𝑘𝑔.

Find the power dissipated in:

(i) an extension cord having a 0.06 Ω resistance, through which 5.00 A is flowing.

(ii) a cord utilizing thinner wire, with a resistance of 0.300 Ω.

A nuclear fission reaction is defined to be a process in which a large nucleus divides into two

roughly equal parts.

(i) What is the potential at a distance of 4.50×10–14 m from one of the parts that has 53 protons in it?

(ii) What is the potential energy in eV of a similarly charged part at this distance?