The wavelength of K α line for an element of atomic number 43 is λ. Then the wavelength…

Physics · JEE Main · NTA Exams — Atoms and Nuclei

1. (43/29) λ
2. (42/28) λ
3. (9/4) λ
4. (4/9) λ

Answer

(C) (9/4) λ

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• The ratio of the energies of the hydrogen atom in the first to the second excited state
• If the total binding energies of _ 1 ^ 2 H , 2^ 4 H , 25 ^ 56 Fe and 12^ 235 U nucleus are 2.22, 28.3, 492…
• If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy required to remove the…
• Consider α particles, β particles and γ-rays, each having an energy of 0.5 MeV. In increasing order of…
• An atom bomb weighing 1 kg explodes releasing 9 × 10 13 joule of energy. What percentage of mass is converted…
• A nuclear transformation is denoted by X ( n , ) _ 3 ^ 7 Li . Which of the following is the nucleus of…
• In the case of radio isotope the value of t 1 /2 and λ are identical in magnitude. The value is:
• Photon of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is

More Atoms and Nuclei questions · Browse all practice questions