UPSC Civil Services Physics Paper II 2019 Question Paper PDF

Central Government Jobs Other Jobs 2019

  • Year 2019
  • Conducted By UPSC
  • Questions 8
  • Maximum Marks 250
  • Duration Three Hours
  • Languages English & Hindi

Exam Details

Detail Information
Examination UPSC Civil Services Main Examination
Year 2019
Conducting Body UPSC
Paper Physics Paper - II
Subject Physics
Duration Three Hours
Maximum Marks 250
Number of Questions 8
Question Type Descriptive / Subjective

This is the Physics Paper II from the UPSC Civil Services Main Examination held in 2019. The paper carried a maximum of 250 marks and was allotted a duration of three hours. It consists of eight questions divided into two sections, with candidates required to answer five questions in total. Questions 1 and 5 are compulsory, and at least one question must be attempted from each section. This paper is crucial for aspirants aiming for success in the Civil Services examination, providing a clear understanding of the expected knowledge and analytical skills in Physics.

Major Topics Covered

  • Physics
  • Classical Mechanics
  • Electromagnetism
  • Quantum Mechanics
  • Thermodynamics
  • Statistical Mechanics
  • Solid State Physics
  • Nuclear Physics
  • Atomic and Molecular Physics

Why This Paper is Important

  • Useful for UPSC Civil Services Main Examination preparation
  • Helps understand the latest exam pattern
  • Useful for practice and self-assessment
  • Covers frequently asked General Studies topics
  • Helpful for analysing question trends

Related Resources

  • UPSC Civil Services Main Examination 2019 Physics Paper I
  • UPSC Civil Services Main Examination 2019 General Studies Paper I
  • UPSC Civil Services Main Examination 2019 General Studies Paper II
  • UPSC Civil Services Main Examination 2019 Optional Subject Papers
  • UPSC Civil Services Main Examination 2019 Physics Paper II Answer Key
  • UPSC Civil Services Main Examination Physics Syllabus
  • UPSC Mains Optional Subject Syllabus
  • UPSC Civil Services Main Examination Pattern

Instructions

  • इसमें आठ प्रश्न हैं जो दो खण्डों में विभाजित हैं तथा हिन्दी एवं अंग्रेजी दोनों में छपे हैं।
  • उम्मीदवार को कुल पाँच प्रश्नों के उत्तर देने हैं।
  • प्रश्न संख्या 1 और 5 अनिवार्य हैं तथा बाकी प्रश्नों में से प्रत्येक खण्ड से कम-से-कम एक प्रश्न चुनकर तीन प्रश्नों के उत्तर दें।
  • प्रत्येक प्रश्न/भाग के लिए नियत अंक उसके सामने दिए गए हैं।
  • प्रश्नों के उत्तर उसी प्राधिकृत माध्यम में लिखे जाने चाहिए, जिसका उल्लेख आपके प्रवेश-पत्र में किया गया है, और इस माध्यम का स्पष्ट उल्लेख प्रश्न-सह-उत्तर (क्यू० सी० ए०) पुस्तिका के मुखपृष्ठ पर निर्दिष्ट स्थान पर किया जाना चाहिए।
  • उल्लिखित माध्यम के अतिरिक्त अन्य किसी माध्यम में लिखे गए उत्तर पर कोई अंक नहीं मिलेंगे।
  • यदि आवश्यक हो, तो उपयुक्त आँकड़ों का चयन करें तथा उनको निर्दिष्ट करें।
  • जब तक उल्लिखित न हो, संकेत तथा शब्दावली प्रचलित मानक अर्थों में प्रयुक्त हैं।
  • प्रश्नों के उत्तरों की गणना क्रमानसार की जाएगी।
  • यदि काटा नहीं हो, तो प्रश्न के उत्तर की गणना की जाएगी चाहे वह उत्तर अंशतः दिया गया हो।
  • प्रश्न-सह-उत्तर पुस्तिका में खाली छोड़ा हुआ पृष्ठ या उसके अंश को स्पष्ट रूप से काटा जाना चाहिए।

  • There are EIGHT questions divided in two Sections and printed both in HINDI and in ENGLISH.
  • Candidate has to attempt FIVE questions in all.
  • Question Nos. 1 and 5 are compulsory and out of the remaining, THREE are to be attempted choosing at least ONE question from each Section.
  • The number of marks carried by a question/part is indicated against it.
  • Answers must be written in the medium authorized in the Admission Certificate which must be stated clearly on the cover of this Question-cum-Answer (QCA) Booklet in the space provided.
  • No marks will be given for answers written in a medium other than the authorized one.
  • Assume suitable data, if considered necessary, and indicate the same clearly.
  • Unless and otherwise indicated, symbols and notations carry their usual standard meanings.
  • Attempts of questions shall be counted in sequential order.
  • Unless struck off, attempt of a question shall be counted even if attempted partly.
  • Any page or portion of the page left blank in the Question-cum-Answer Booklet must be clearly struck off.

Questions (page 2)

Q1.

(a) निर्वात में प्रकाश का वेग (c) = 3 × 108 m s-1

(b) इलेक्ट्रॉन का द्रव्यमान (me) = 9.11 × 10-31 kg

(c) इलेक्ट्रॉन का आवेश (e) = 1.602 × 10-19 C

(d) इलेक्ट्रॉन का विशिष्ट आवेश ((e)/(me)) = 1.76 × 1011 C kg-1

(e) 1 u = 1 a.m.u. = 1.6605 × 10-27 kg = 931.5 MeV

(f) इलेक्ट्रॉन की विरामावस्था द्रव्यमान ऊर्जा (me c2)
= 0.5110 MeV

(g) मुक्त आकाश में विद्युत्शीलता (\epsilon0) = 8.8542 × 10-12 C2 N-1 m-2

(h) मुक्त आकाश की पारगम्यत (μ_0) = 4π × 10-7 N A-2

(i) गैस स्थिरांक (R)
= 8.314 J mol^{-1} K^{-1}

(j) बोल्ट्ज़मान स्थिरांक (kB) = 1.381 × 10-23 J K-1

(k) प्लांक स्थिरांक (h) = 6.626 × 10-34 J s

(l) (h) = 1.0546 × 10-34 J s

(m) बोर मैय्रेटॉन (μ_B) = 9.274 × 10-24 J T-1

(n) नाभिकीय मैय्रेटॉन (μ_N) = 5.051 × 10-27 J T-1

(o) सूक्ष्म संरचना स्थिरांक (α)
= 1/137.03599

(p) प्रोटॉन का द्रव्यमान (mp) = 1.0072766 u = 1.6726 × 10-27 kg

(q) न्यूट्रॉन का द्रव्यमान (mn) = 1.0086652 u = 1.6749 × 10-27 kg

(r) ड्यूटरॉन का द्रव्यमान (md)
= 2.013553 u

(s) lpha-कण का द्रव्यमान (mα) = 4.001506 u

(t) ^{12}C का द्रव्यमान
= 12.000000 u

(u) ^{16}O का द्रव्यमान
= 15.994915 u

(v) ^{87}_{38}Sr का द्रव्यमान
= 86.99999 u

(w) ^{4}_{2}He का द्रव्यमान
= 4.002603 u

(x) कक्षीय घूर्णचुम्बकीय अनुपात (gl)
= 0 (न्यूट्रॉन), 1 (प्रोटॉन)

(y) स्पिन घूर्णचुम्बकीय अनुपात (gs)
= -3.8260 (न्यूट्रॉन), 5.5856 (प्रोटॉन)

Question paper preview

Scanned pages 1–2 for reference. Download the official PDF for the full paper.

Page 1
UPSC Civil Services Main Examination 2019 Physics Paper II page 1 scan, showing exam instructions in Hindi and English, and paper header details. PDF download.
Page 2
UPSC Civil Services Main Examination 2019 Physics Paper II page 1 scan, showing exam instructions in Hindi and English, and paper header details. PDF download.

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Frequently asked questions

What is the name of the exam?

The exam is the UPSC Civil Services Main Examination.

What year is this question paper from?

This question paper is from the year 2019.

Which paper is this?

This is Physics Paper - II.

Who conducts the Civil Services Examination?

The examination is conducted by the UPSC (Union Public Service Commission).

What is the maximum marks for Physics Paper - II?

The maximum marks for Physics Paper - II is 250.

What is the time allowed for Physics Paper - II?

The time allowed for Physics Paper - II is Three Hours.

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