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______________?

Related Mcqs:

1. Bohrs model is contradicted by__________________?

   A. Plancks theory B. Dual nature of matter C. Heisenbergs uncertainty principle D. All of these...

2. Sommerfelds modification in Bohrs model is_______________?

   A. Orbit is cylindrical B. Orbit is elliptical C. Orbit is longitudinal D. Orbit is asymmetrical...

3. 2nd orbit is ___________ away from nucleus of H-atom as compared to 1st orbit is ?

   A. 2-times B. 3-times C. 4-times D. 6 times...

4. Wavelength of electron was verified by_________________?

   A. Moseley B. Davisson and Germer C. Einstein D. Roentgen...

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

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

6. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas B. Carbon Monoxide Gas C. Both at same time D. None of them Submitted by: Aamir khan Hullio...

7. Water Gas is a mixture of two gases Hydrogen & Carbon monoxide, while separating Hydrogen gas by liquification process which one is liquefied first__?

   A. Hydrogen Gas B. Carbon Monoxide Gas C. Both at same time D. None of them Submitted by: Aamir khan Hullio...

8. 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...

9. 1 mole of electron has mass in microgram_________________?

   A. 1.008 x 10-3 B. 5.5 x 10-4 C. 1.84 x 10-4 D. 1.673 x 10-3...

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

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