Atomic Structure-Bohr Model of Hydrogen Atom [JEE (Based on NTA Guidelines-IIT Engg.) Mains Chemistry]: Questions 1 - 5 of 15
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Question 1
Question MCQ▾
One of the postulate Bohr՚s atomic model is
Choices
Choice (4) | Response | |
---|---|---|
a. | The emission and absorption of energy does not take place continuously but in the form of quantum. | |
b. | Uncertainty in measurement is not due to lack of any experimental technique but due to nature of subatomic particle itself | |
c. | The electron can move in only those circular orbits where the angular momentum is a whole number multiply of h/2 | |
d. | All of the above |
Question 2
Question MCQ▾
The total energy of electron of H- atom in a second quantum state is . The total energy of atom in the third quantum state is?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 3
Question MCQ▾
How many times does light travel faster in vacuum than an electron in Bohr first orbit of hydrogen atom?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 4
Question MCQ▾
What is the energy in required to excite the electron from state in hydrogen atom? (n- principal quantum number) .
Choices
Choice (4) | Response | |
---|---|---|
a. | 10.2 | |
b. | 3.4 | |
c. | 13.6 | |
d. | 17 |
Question 5
Question MCQ▾
Which transition of the Hydrogen spectrum would have the same length as the Balmer transition, of spectrum?
Choices
Choice (4) | Response | |
---|---|---|
a. | to | |
b. | to | |
c. | to | |
d. | to |