Physics

CSET3101B.Tech CSE2023-27

Mahatma Gandhi Central University, Bihar

B.Tech Computer Science & Engineering

Semester 1 Examination, 2023

Physics (CSET3101)

Faculty: Ms. AparnaMaximum Marks: 95

Assessment Questions

Physics (CSET3101) - 2023

SECTION – A

Multiple Choice Questions. Attempt all questions. Each question carries one mark.

  • 1

    How does a semiconductor behave at absolute zero?

  • 2

    Hot bodies emit a specific type of radiation. What are they called?

  • 3

    Which of the following may not be conserved in a photon-particle collision?

  • 4

    When an electron jumps from an excited state to ground state

  • 5

    What is the frequency of a photon having energy 3.3×10−303.3 \times 10^{-30} J?

SECTION – B

Write briefly in 150 words (Short Answer Questions- 2.5 Marks). Attempt ANY Two questions out of the followings. Each question carries 2.5 Marks.

  • 1

    Elaborate the breakdown mechanism?

  • 2

    Explain basic principal of optical fibre

  • 3

    What is pumping process and population inversion?

SECTION – C

Write in 300 Words (Long Answer Questions – 5 Marks). Attempt ALL questions having internal choices. The question carries 5 marks.

  • 1

    Answer any ONE of the following

    (a)

    What is acceptance angle?what is attenuation?

    OR

    (b)

    Write the principle of LASER action?

  • 2

    Answer any ONE of the following

    (a)

    Explain formation of energy band?

    OR

    (b)

    Explain V-I Characteristic and their temperature dependance?

End of Question Paper