CBSE Class 12 Physics Board Paper – Term 1 – 2021 (SSJ-1-Set-4)
This is the CBSE Class 12 Physics Board Paper for Term 1, conducted in 2021 (Set 4). The paper is designed for a duration of 90 minutes and carries a maximum of 35 marks. It comprises 55 questions in total, with students required to attempt only 45. The paper is divided into three sections: Section A (25 questions, attempt 20), Section B (24 questions, attempt 20), and Section C (6 questions, attempt 5). Importantly, only the first 20 questions attempted in Sections A and B, and the first 5 in Section C, will be evaluated. All questions are multiple-choice (MCQ) and carry equal marks, with no negative marking. Solving this previous year's question paper is crucial for students to understand the exam pattern, identify key topics, and enhance their preparation for the board examinations.
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Quick info
| Board | CBSE |
|---|---|
| Class | 12 |
| Subject | Physics |
| Session | 2021 |
| Language | English |
| Type | Previous Year Question Paper |
| Exam type | Board Exam |
Paper pattern
The paper has a total of 55 questions, with 45 to be attempted within 90 minutes, carrying a maximum of 35 marks. It is divided into three sections (A, B, C) with specific attempt requirements for each.
Topics covered
Paper topics
- Electric Dipole
- Electric Field Lines
- Point Charge
- Galvanometer
- Wheatstone Bridge
- Wires in Series
- Current Sensitivity
- Moving Coil Galvanometer
Important topics
- Electric Dipole in Non-uniform Field
- Electric Flux and Gauss's Law
- Wheatstone Bridge Principle
- Potential Difference across Resistors
- Current Sensitivity of Galvanometers
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Question paper text
SSJ/1/Set No.4
CBSE
Class XII Physics
Board Paper – (Term 1 – 2021)
Time: 90 minutes Maximum Marks: 35
General Instructions:
(i) This questions paper contains 55 questions out of which 45 questions are to
be attempted. All questions carry equal marks.
(ii) The Question Paper consists of three sections, Section A, Section B and
Section C.
(iii) Section A consists of 25 questions. Attempt any 20 questions from questions
No. 1 to 25.
(iv) Section B contains 24 questions. Attempt any 20 questions from questions
No. 26 to 49.
(v) Section C consists of 6 questions. Attempt any 5 questions from questions No.
50 to 55.
(vi) The first 20 question attempted in section A and Section B and first 5
questions attempted in Section C by a candidate will be evaluated.
(vii) There is only one correct option for every multiple choice question (MCQ).
Marks will not be awarded for answering more than one option.
(viii) There is no negative marking
SECTION – A
This section consists of 25 multiple choice questions with over tilt choice to attempt
any 20 questions. In case more than desirable number of questions are attempted,
only first 20 questions will be considered for evaluation.
Q 1. An electric dipole placed in a non-uniform electric field will experience:
(A) Only a force
(B) Only a torque
(C) both force and torque
(D) Neither force nor torque
Q 2. Let NI be the number of electric field lines going out of an imaginary cube of
side that encloses an isolated point charge 2q and N2 be the corresponding
number for an imaginary sphere of radius that encloses an isolated point
charge 3q. Then (N1/N2) is: 1 (A) x 2 (B) 3 9 (C) 4 (D) π
Q 3. In the circuit given below P ≠ R and the reading of the galvanometer is same
with Switch S open or closed. Then:
(A) IQ = IR
(B) IR =IG
(C) IP = IG
(D) IQ = IG
Q 4. Two wires A and B, of the same material having length in the ratio 1: 2 and
diameter in the ratio 2: 3 are connected in series with a battery. The ratio of
the potential differences (VA/ VB) across the two wires respectively is: 1 (A) 3 3 (B) 4 4 (C) 5 9 (D) 8
Q 5. Two moving coil galvanometers G1 and G2 have the following particulars
respectively:
N1=30, A1 = 3.6 x 10-3 m2, B1= 0.25 T
N2= 42, A2 = 1.8 x 10-3, m2, B2 = 0.50 T
The spring constant is same for both the galvanometers. The ratio of current
sensitivities of G1 and G2 is
(A) 5 : 7
(B) 7 : 5
(C) 1:4
(D) 1 : 1
Frequently asked questions
What is this document?
This is a CBSE Class 12 Physics Previous Year Question Paper from the Term 1 examination held in 2021, Set 4.
What is the duration and marking scheme?
The paper is designed for 90 minutes and has a maximum of 35 marks. All questions carry equal marks, and there is no negative marking.
How many questions need to be attempted?
Out of 55 questions, students need to attempt 45. Section A requires attempting 20 out of 25, Section B requires 20 out of 24, and Section C requires 5 out of 6.
What is the structure of the question paper?
The paper consists of three sections: Section A, Section B, and Section C, all containing multiple-choice questions (MCQs).
How does solving this PYQ help?
Solving this previous year's question paper helps students understand the exam pattern, difficulty level, and time management required for the CBSE Class 12 Physics board exam.
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