Question

The ratio of radius of 3rd and 4th bohr orbit in hydrogen atom is

Answer 1

Answer:

9:4

Explanation:

Radius of nth orbit = (k*3^2/z)

K=constant

n=no.of orbits

Z=atomic number

For H2 , Z=1

r3/r2 = (k*3^2/1)/(k*2^2/1)

=. 9/4

= 9:4 is the required answer