Atomic Structure [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 14 - 19 of 128
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Question 14
Question MCQ▾
Electron density in an orbital is correctly described by –
Choices
Choice (4) | Response | |
---|---|---|
a. | Ψ2 / ψ | |
b. | ψ | |
c. | ψ2 | |
d. | None of the above |
Question 15
Question MCQ▾
If a particle have momentum of p = 1.60 what will be the de Broglie wavelength (m) of that particle?
Choices
Choice (4) | Response | |
---|---|---|
a. | 500nm | |
b. | 478nm | |
c. | 414 nm | |
d. | 520nm |
Question 16
Question MCQ▾
for a given value of n (principal quantum number) , the energy of different subshells can be arranged in the order of:
Choices
Choice (4) | Response | |
---|---|---|
a. | f > p > d > s | |
b. | s > f > p > d | |
c. | f > d > p > s | |
d. | s > p < d > f |
Question 17
Question MCQ▾
Uncertainty in position of a minute particle of mass 25g in space is 1 m. The uncertainty in its velocity (in m/s) is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2.1 | |
b. | 2.1 | |
c. | 2.1 | |
d. | 2.1 |
Question 18
Question MCQ▾
Choose the correct options -
Choices
Choice (4) | Response | |
---|---|---|
a. | For other canonical conjugates of motion, the equation for Heisenberg՚s uncertainty principle may give which is - (for energy and time) | |
b. | The maximum number of an electron in any energy level is 2n2 | |
c. | The maximum number of electrons placed in a subshell is given by 2 (2ℓ + 1) | |
d. | Both b. and c. are correct |
Question 19
Question MCQ▾
The total angular momentum (l) resulting from a d7 configuration is –
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 2 | |
c. | ||
d. |