Bihar Board Class 12 Physics Question Paper 2024 PDF with Answer Key

BSEB 12th Physics Exam 2024: The Bihar School Examination Board (BSEB) conducted the Class 12 Physics paper today (February 3, 2024). Physics is one of the most important subjects in the science stream and also the most difficult. The exam was held in the first shift between 9:30 am and 12:45 pm. 15 minutes were allocated to students for reading the question paper. Now that the exam is over, students often tend to look for answers and discuss with peers. Instead of stressing yourself out with rumours and wrong answers, you should refer to accurate sources to verify the answers.

On that note, we bring you the question paper for the BSEB Class 12 Physics Exam 2024, along with the answer key. The BSEB Class 12 Physics answer key is prepared by in-house subject experts at Jagran Josh and will be helpful for students to review their answers and assess their performance in the exam.  Check the Bihar board class 12 Physics paper 2024 PDF and answer key here.

BSEB Class 12 Physics Question Paper Pattern 2024

The Bihar board class 12 Physics exam was for a total of 70 marks (theory) and comprised 3 hour time duration. 15 minutes were provided to read the question paper. The question paper structure for the BSEB Class 12 Physics Exam 2024 is as follows:

The Physics question paper is divided into two sections- Section A and Section B.

For answering the objective-type questions in Section A, students were required to darken the circle with a blue/black ball pen against the correct option on the OMR answer sheet provided to them.

Bihar Board Class 12 Physics Question Paper 2024

View and Download the full BSEB Class 12 Physics question paper below:

Bihar Board Class 12 Physics Paper Answer Key 2024 Set C

Question 1: Which of the following is blocked by a capacitor?

(A) AC

(B) DC

(C) Both AC and DC

(D) Neither AC nor DC

Answer: (B) DC

Question 2: Two bulbs of 40W and 60W are connected to 220 V source. The ratio of their resistances will be

(A) 4:3

(B) 3:4

(C) 2:3

(D) 3:2

Answer: (B) 3:4

Question 3: The resistance of any wire is 500 Ω. It’s electrical conductivity will be

(A) 0.002 ohm^-1

(B) 0.02 ohm^-1

(C) 50 ohm^-1

(D) 500 ohm^-1

Answer: (A) 0.002 ohm^-1

Question 4: n equal resistors are first connected in series and then in parallel. The ration of maximum and minimum resistances will be

(A) 1/n

(B) n

(C) 1/n²

(D) n²

Answer: (D) n²

Question 5: To increase the sensitivity of a potentiometer

(A) the cross-section area of its wire will have to be increased

(B) current in its wire will have to be decreased

(C) current in its wire will have to be increased

(D) length of its wire will have to be increased

Answer: (D) length of its wire will have to be increased

Question 6: Kirchhoff’s second law of electricity is related to

(A) conservation of mass

(B) conservation of charge

(C) conservation of energy

(D) conservation of momentum

Answer: (C) conservation of energy

Question 7: Which one of the following is not a unit of magnetic field?

(A) tesla

(B) weber/metre²

(C) newton/ampere-metre

(D) newton/ampere²

Answer: (D) newton/ampere²

Question 8: Photocell is based on

(A) chemical effect of current

(B) photo electric effect

(C) magnetic effect of current

(D) electro-magnetic induction

Answer: (B) photo electric effect

Question 9: Cathode rays are group of

(A) electrons

(B) protons

(C) neutrons

(D) atoms

Answer: (A) electrons

Question 10: The half-life of radioactive substance is

(A) 0.6931 x λ

(B) log10²/ λ

(C) 0.6931/ λ

(D) Average age/).6931

Answer: (C) 0.6931/ λ

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Stay Tuned as we upload the answers soon.

Related:

BSEB Class 12 Date Sheet 2024

Bihar Board Class 12 Physics Model Paper 2024 Download PDF