Atomic Structure Experiments MCQ (Multiple Choice Questions) PDF Download

Electron revolves around the nucleus in orbits which have

1. variable energy
2. fixed energy
3. infinite energy
4. zero energy

In Rutherford's experiment, α particles were deflected because of

1. electrostatic repulsion between α particles and positively charged part of atom
2. electrostatic attraction between α particles and positively charged part of atom
3. electrostatic repulsion between β particles and positively charged part of atom
4. electrostatic attraction between γ particles and positively charged part of atom

The energy of an electron in orbit is proportional to

1. distance between shells
2. distance from nucleus
3. distance between two nuclei
4. positive charge inside nucleus

According to Rutherford, most of the space occupied by the atom is

1. filled
2. partially filled
3. empty
4. none of above

Electrons revolve only in those orbits with angular momentum as an

1. half integral multiple of 'h'
2. integral multiple of 'h'
3. integral multiple of h ⁄ 2π
4. half integral multiple of 2π