Self Studies
Self Studies
Self Studies
Self Studies

Atoms and Nucle...

TIME LEFT -
  • Question 1
    4 / -1

    α – particles of kinetic energy 7.7 MeV are being scattered by the nucleus of gold which has 79 electrons. The distance of closest approach of the alpha particles is

  • Question 2
    4 / -1

    The orbital frequency of an electron in the hydrogen atom is proportional to

  • Question 3
    4 / -1

    The product of linear momentum and angular momentum of an electron of the hydrogen atom is proportional to nx, where x is

  • Question 4
    4 / -1

    Which of the following transitions in Balmer series for hydrogen will have longest wavelength?

  • Question 5
    4 / -1

    Ionisation energy of He+ ion at minimum position is

  • Question 6
    4 / -1

    Which of the following transition gives the photon of minimum frequency?

  • Question 7
    4 / -1

    According to Bohr's theory of hydrogen atom, for the electron in the nth allowed orbit the
    I. . linear momentum is proportional to 1/n
    II. radius is proportional to n
    III. kinetic energy is proportional to 1/n2
    IV. angular momentum is proportional to n
    Choose the correct option from the codes given below.

  • Question 8
    4 / -1

    The radius of hydrogen atom in its ground state is 5.3 × 10-11 m. After collision with an electron it is found to have a radius of 21.2 × 10-11 m. What is the principal quantum number n of the final state of atom ?

  • Question 9
    4 / -1

    If an electron is revolving around the hydrogen nucleus at a distance of 0.1 nm, what should be its speed?

  • Question 10
    4 / -1

    Continuous emission spectrum is produced by

Submit Test
Self Studies
User
Question Analysis

  • Answered - 0

  • Unanswered - 10

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Submit Test
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now