GATE (Graduate Aptitude Test in Engineering) Physics (PE): Questions 251 - 253 of 1823
Choose Programs:
📹 Video Course 2024 (354 Lectures [236 hrs : 31 mins]): Offline Support
Rs. 1460.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
🎓 Study Material (327 Notes): 2024-2025 Syllabus
Rs. 400.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 248 Numeric, 1575 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 550.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 251
Appeared in Year: 2012
Question MCQ▾
Consider the motion of a classical particle in a one – dimensional double – well potential . If the particle is displaced infinitesimally from the minimum on the positive x – axis (and friction is neglected) , then – (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | The particle will switch between the right and left wells | |
b. | The particle will approach the bottom of the right well and settle there | |
c. | The particle will execute simple harmonic motion in the right well an angular frequency | |
d. | The particle will execute simple harmonic motion in the right well an angular frequency |
Question 252
Appeared in Year: 2012
Question MCQ▾
A magnetic field sensor based on the Hall effect is to be fabricated by implanting As into a Si film of thickness . The specifications require a magnetic field sensitivity of at an excitation current of . The implantation dose is to be adjusted such that the average carrier density, after activation, is – (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 253
Appeared in Year: 2012
Question MCQ▾
The magnetization M of a ferro-magnet, as a function of the temperature T and the magnetic field H, is described by the equation . In these units, the zero – field magnetic susceptibility in terms of is given by, (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |