CBSE Class 12 Physics 2019 Previous Year Question Paper (Set-1)
This is the CBSE Class 12 Physics (Theory) Previous Year Question Paper from the 2019 Main Exams, Delhi-Set-1. The paper is divided into four sections: Section A, Section B, Section C, and Section D. Section A contains five questions worth 1 mark each, Section B has seven questions of 2 marks each, Section C includes twelve questions carrying 3 marks each, and Section D comprises three questions of 5 marks each. While there is no overall choice, internal choices are provided in some questions across all sections. The total marks for the paper are 70, and the allowed time is 3 hours. This paper also provides essential physical constants for use in calculations. Solving this authentic board question paper is crucial for students to understand the exam pattern, difficulty level, and important topics, thereby enhancing their preparation and performance in the upcoming board examinations.
Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Physics |
| Session | 2019 |
| Language | Hindi |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The question paper has 27 questions divided into four sections: Section A (5x1 mark), Section B (7x2 marks), Section C (12x3 marks), and Section D (3x5 marks), with a total of 70 marks and a duration of 3 hours.
Topics covered
Paper topics
- Physics Constants
- Electromagnetism
- Optics
- Modern Physics
- Semiconductors
Important topics
- Electromagnetic Waves
- Ray Optics and Optical Instruments
- Dual Nature of Radiation and Matter
- Atoms and Nuclei
- Electronic Devices
PDF preview
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Question paper text
SET - 1
Series: BVM/1
कोड नं.
रोल नं.
परीक्षार्थी कोड को उत्तर-पुस्तिका के मुख-
पृष्ठ पर अवश्य लिखें ।
Candidates must write the Code on
the title page of the answer-book.
Roll No.
Code No.
55/1/1
कृपया जाँच कर लें कि इस प्रश्न-पत्र में मुद्रित पृष्ठ 15 हैं।
प्रश्न-पत्र में दाहिने हाथ की ओर दिए गए कोड नम्बर को छात्र उत्तर-पुस्तिका के मुख-पृष्ठ पर लिखें।
कृपया जाँच कर लें कि इस प्रश्न-पत्र में 27 प्रश्न हैं।
- कृपया प्रश्न का उत्तर लिखना शुरू करने से पहले, प्रश्न का क्रमांक अवश्य लिखें।
इस प्रश्न-पत्र को पढ़ने के लिए 15 मिनट का समय दिया गया है । प्रश्न-पत्र का वितरण पूर्वाह्न में 10.15 बजे किया जाएगा । 10.15 बजे से 10.30 बजे तक छात्र केवल प्रश्न-पत्र को पढ़ेंगे और इस अवधि के दौरान वे उत्तर-पुस्तिका पर कोई उत्तर नहीं लिखेंगे ।
Please check that this question paper contains 15 printed pages.
Code number given on the right hand side of the question paper should be written on the title page of the answer-book by the candidate.
Please check that this question paper contains 27 questions.
Please write down the Serial Number of the question before attempting it.
15 minute time has been allotted to read this question paper. The question paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the question paper only and will not write any answer on the answer-book during this period.
भौतिक विज्ञान (सैद्धान्तिक)
PHYSICS (Theory)
निर्धारित समय : 3 घंटे
अधिकतम अंक :70
Time allowed: 3 hours
Maximum Marks: 70
सामान्य निर्देश:
(i) सभी प्रश्न अनिवार्य हैं। इस प्रश्न-पत्र में कुल 27 प्रश्न हैं।
- इस प्रश्न-पत्र के चार भाग हैं : खण्ड-अ, खण्ड-ब, खण्ड-स और खण्ड-द।
- खण्ड-अ में 5 प्रश्न हैं, प्रत्येक का 1 अंक है। खण्ड-ब में 7 प्रश्न हैं, प्रत्येक के 2 अंक हैं। खण्ड-स में 12 प्रश्न हैं, प्रत्येक के 3 अंक हैं। खण्ड-द में 3 प्रश्न हैं, प्रत्येक के 5 अंक हैं।
55/1/1
[P.T.O. 1
- प्रश्न-पत्र में समग्र पर कोई विकल्प नहीं है। तथापि एक अंक वाले दो प्रश्नों में, दो अंकों वाले दो प्रश्नों में. तीन अंकों वाले चार प्रश्नों में और पाँच अंकों वाले तीनों प्रश्नों में आन्तरिक चयन प्रदान
किया गया है। ऐसे प्रश्नों में आपको दिए गए चयन में से केवल एक प्रश्न ही करना है।
- जहाँ आवश्यक हो, आप निम्नलिखित भौतिक नियतांकों के मानों का उपयोग कर सकते हैं :
<math>c = 3 \times 10^8 \text{ m/s}</math>
<math>h = 6.63 \times 10^{-34} \text{ Js}</math>
<math>e = 1.6 \times 10^{-19} C</math>
<math>\mu_0 = 4\pi \times 10^{-7} \text{ T m A}^{-1}</math>
<math>\varepsilon_0 = 8.854 \times 10^{-12} \text{ C}^2 \text{ N}^{-1} \text{ m}^{-2}</math>
<math>\frac{1}{4\pi\epsilon_0} = 9 \times 10^9 \text{ N m}^2 \text{ C}^{-2}</math>
इलेक्ट्रॉन का द्रव्यमान (<math>m_e</math>) = <math>9.1 \times 10^{-31} \text{ kg}</math> न्यूट्रॉन का द्रव्यमान = <math>1.675 \times 10^{-27} \text{ kg}</math> प्रोटॉन का द्रव्यमान = <math>1.673 \times 10^{-27} \text{ kg}</math> आवोगाद्रो संख्या = <math>6.023 \times 10^{23}</math> प्रति ग्राम मोल
बॉल्ट्ज़मान नियतांक = <math>1.38 \times 10^{-23} \text{ JK}^{-1}</math>
General Instructions:
(i) All questions are compulsory. There are 27 questions in all.
- This question paper has four sections: Section A, Section B, Section C and Section D.
- Section A contains five questions of one mark each, Section B contains seven questions of two marks each, Section C contains twelve questions of three marks each, and Section D contains three questions of five marks each.
- There is no overall choice. However, an internal choice(s) has been provided in two questions of one mark, two questions of two marks, four questions of three marks and three questions of five marks weightage. You have to attempt only one of the choices in such questions.
- You may use the following values of physical constants wherever necessary:
<math display="block">c = 3 \times 10^8 \text{ m/s}</math>
<math>h = 6.63 \times 10^{-34} \text{ Js}</math>
<math>e = 1.6 \times 10^{-19} \text{ C}</math>
<math>\mu_0 = 4\pi \times 10^{-7} \text{ T m A}^{-1}</math>
<math>\varepsilon_0 = 8.854 \times 10^{-12} \text{ C}^2 \text{ N}^{-1} \text{ m}^{-2}</math>
<math display="block">\frac{1}{4\pi\varepsilon_0} = 9 \times 10^9 \text{ N m}^2 \text{ C}^{-2}</math>
Mass of electron (m<sub>e</sub>) = <math>9.1 \times 10^{-31}</math> kg
Mass of neutron = <math>1.675 \times 10^{-27}</math> kg Mass of proton = <math>1.673 \times 10^{-27}</math> kg Avogadro's number = <math>6.023 \times 10^{23}</math> per gram mole Boltzmann constant = <math>1.38 \times 10^{-23} \text{ JK}^{-1}</math>
55/1/1 2
Frequently asked questions
What is this document?
This is the official CBSE Class 12 Physics Previous Year Question Paper from the 2019 Main Exams (Delhi-Set-1) for board exam practice.
What is the structure of the Physics 2019 paper?
The paper is divided into four sections (A, B, C, D) with a total of 27 questions carrying a maximum of 70 marks. The time allowed is 3 hours.
Are there choices available in the questions?
Yes, internal choices are provided in some questions of one, two, three, and five marks weightage, allowing students to attempt only one from the given options.
Why is solving previous year papers important for Class 12 Physics?
Solving previous year question papers helps students understand the exam pattern, marking scheme, and the types of questions asked, leading to better preparation and improved scores.
What are the key physics constants provided?
The paper provides values for constants like the speed of light (c), Planck's constant (h), elementary charge (e), permeability of free space (μ₀), permittivity of free space (ε₀), and masses of electron, neutron, and proton.
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