JEE Main 2016 (Online) 9th April Morning Slot | Structure of Atom Question 146 | Chemistry | JEE Main - ExamSIDE.com

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1

JEE Main 2016 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

The total number of orbitals associated with the principal quantum number 5 is :

A

5

B

10

C

20

D

25

2

JEE Main 2016 (Offline)

MCQ (Single Correct Answer)

+4

-1

A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If e and m are charge and mass of an electron, respectively, then the value of h / $$\lambda $$ (where $$\lambda $$ is wavelength associated with electron wave) is given by :

A

2meV

B

$$\sqrt {meV} $$

C

$$\sqrt {2meV} $$

D

meV

3

JEE Main 2015 (Offline)

MCQ (Single Correct Answer)

+4

-1

Which of the following is the energy of a possible excited state of hydrogen?

A

–6.8 eV

B

–3.4 eV

C

+6.8 eV

D

+13.6 eV

4

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

+4

-1

The correct set of four quantum numbers for the valence elections of rubidium atom (Z= 37) is:

A

5, 1, 1, + 1/2

B

5, 1, 0, + 1/2

C

5, 0, 0, + 1/2

D

5, 0, 1, + 1/2

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