CUET-PG SERIES Material-science-and-technology
Free Electron Gas
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
8
2024 Chapter Questions 8 MCQs
01
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
A water molecule has three atoms (two hydrogen and one oxygen) with total energy ( ). Its specific heat is:
1
R
2
R
3
R
4
R
02
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
Assume a solid of atoms, each vibrating about its mean position. An oscillation in one dimension has average energy . In 3 dimensions, the average energy is:
1
2
3
4
03
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The kinetic energy of a 3-dimensional gas of free electrons at 0 K is:
1
2
3
4
04
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The mean free path of conduction electrons in copper is about . For a copper block, the electric field which can give on average energy to a conduction electron is:
1
2
3
4
05
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
A uniform silver wire has a resistivity of at room temperature. When an electric field along the wire is , the drift velocity is:
1
2
3
4
06
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The lowest energy of an electron confined to a 3-dimensional box of length is:
1
2
3
4
07
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
The frequency of X-ray emitted by an X-ray tube operating at 30 kV is
1
2
3
4
08
PYQ 2024
medium
material-science-and-technology ID: cuet-pg-
An X-ray tube operates at 20 kV, and a particular electron loses 5% of its kinetic energy to emit an X-ray photon at the first collision. The wavelength corresponding to this photon is
1
10.24 nm
2
6.24 nm
3
2.24 nm
4
1.24 nm
About Free Electron Gas - CUET-PG
Free Electron Gas is a vital chapter for CUET-PG aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Free Electron Gas PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Free Electron Gas carry the most weight. Then, tackle the questions iteratively to solidify your understanding.