Answer:
Answered
Explanation:
Energy of electron in hydrogen atom is given by
E_n= 
now as becomes large
ΔE= E_n+1 - E_n= 18.6 eV(1/n^2- 1/(n+1)^2)
now, as n increases ΔE_n decreases
in the limit n→∞ , ΔE_n→0. Thus with increase in n, energy level come close to each other.
b) Since, the wavelength of the rays depends upon the energy level hence they too come closer.
c)Near the ionization threshold the energy level of the atoms come closer and the total energy of the electron becomes almost so that it can be easily removed from the orbit.
When a reaction has reached equilibrium, the rate of the forward reaction<span> equals the rate of the reverse </span>reaction<span>, such that the concentrations of reactants and products remain fairly stable, in a chemical </span>reaction<span>. Hope this answers the question. Have a nice day.</span>
m = mass of the truck = 23 00 kg
v = speed of the truck down the highway = 32 m/s
K = kinetic energy of the truck = ?
kinetic energy of the truck down the highway is given as
K = (0.5) m v²
inserting the values
K = (0.5) (2300) (32)²
K = (0.5) (2300) (1024)
K = (1150) (1024)
K = 1177600 J
hence the kinetic energy of the truck comes out to be 1177600 J
Answer:
0.66 degrees
Explanation:
The computation of the angle of the third dark interference is shown below:
The condition of the minima is
Path difference = (2n +1) × 
÷ 2
For third minima, n = 2
Now
xd ÷ D = (2 × 2 + 1) × ÷ 2
d tan Q_3 = 5 ÷ 2
tan Q_3 = 5 ÷ 2d
Q_3 = tan^-1 × (5 ÷2d)
= tan^-1 × (5 × 580 × 10^-9) ÷ (2 × 0.000125)
= 0.66 degrees
