Wavelength of electron was verified by_________________?

Related Mcqs:

1. When an electron is moving with velocity of 2.188 x 106 ms-1 in the first orbit of Bohrs model of hydrogen. The de Broglie wavelength of electron is______________?

   A. 0.33 nm
   B. 0.34 nm
   C. 0.35 nm
   D. 0.36 nm

2. Which one of the following radiation has the longer wavelength?

   A. infra red
   B. visible
   C. x-ray
   D. ultra violet
   E. gamma rays

   Submitted by: Dr.Tassawer-e-Meran

3. The maximum number of electron in a sub shell with ? = 3fs______________?

   A. 6
   B. 10
   C. 14
   D. 18

4. The value of e/m ratio of electron is________________?

   A. 6.02 x 1023 C/kg
   B. 1.7588 x 1020 C/kg
   C. 9.1095 x 10-31 C/kg
   D. 1.7588 x 1011 C/kg

5. When electron jump into orbit 1 then series obtained is___________________?

   A. Lyman
   B. Paschen
   C. Pfund
   D. Brackett

6. Charge of electron was measured by__________________?

   A. J.J Thomson
   B. Millikan
   C. Rutherford
   D. Perrin

7. Quantum number which tells the energy of electron is________________?

   A. n
   B. 1
   C. m
   D. s

8. When 6d orbital is complete the entering electron goes into_________________?

   A. 7f
   B. 7s
   C. 7p
   D. 7d

9. Sharing of 1 electron pair by one specie forms_________________?

   A. Single covalent bond
   B. Hydrogen bond
   C. Double covalent bond
   D. Coordinate covalent bond

10. The absolute value of charge on electron was determined by ________ ?

    A. J.J.Thomson
    B. Chadwick
    C. Rutherford
    D. Robert Millikan

    Submitted by: Rashid Mehmood