Bihar Board Physics Question Paper 2024 with Answer key PDF

Bihar Board Physics Answer Key 2024

The Bihar School Examination Board (BSEB) is now conducting the BSEB Intermediate exams for the academic year 2023-24. According to the timetable, the Class 12th Physics exam took place, during the first shift from 9:30 a.m. to 12:15 p.m. After taking the exam, students look for the Bihar Board 12th Physics Answer Key 2024 on the internet. The Bihar Board Class 12 Physics Answer Key 2024, along with all subjects, will be released in March by the BSEB. Following the conclusion of the examination, we share the unofficial BSEB Physics Answer Key 2024 on this page. Stay tuned with Us.

Bihar Board Physics Question Paper 2024

With its vast array of formulas and derivations, physics is regarded as the most transformative discipline and a subject that science students absolutely must master. Students who completed the Class 12 Physics Exam today are eagerly awaiting the BSEB 12th Physics Answer Key 2024. The Bihar Board 12th Physics Answer Key 2024 was created by Adda247’s qualified experts. To make things easier for students, we’ve posted the bihar board physics question paper 2024 for Sets A through J, along with the Answer Key.

Check: Bihar Board 12th Chemistry Answer Key 2024

BSEB Physics Question Paper 2024

Bihar board BSEB physics question paper 2024 with Answer Key provides correct answers with detailed question marking, allowing students to forecast their Physics Exam scores. It is critical to understand the mark distribution when evaluating the Bihar Board Class 12 Physics Answer Key 2024.

Bihar Board Physics Question Paper 2024 is broken into two sections: Section A and Section B. Check the Section Paper pattern below.

• Section A contains 70 objective-type questions, with only 35 of them to be answered.Each question is worth one mark. If more than 35 questions are answered, just the first 35 will be considered. \ To answer these, darken the circle with a blue or black ball pen against the correct option on the OMR answer sheet.
• Section-B contains 20 short answer style questions, each worth 2 marks, with only 10 questions to be answered. Aside from that, there are 3 long answer-type questions, each worth 5 points; any three questions must be answered.

Bihar Board Physics Question Paper 2024: Pattern

Take a look at the below table to view an overview of the Bihar Board Class 12 Physics Question Paper 2024:

Physics Question Paper 2024 Bihar Board

Check out the BSEB physics question paper 2024 Bihar Board of Set B given below.

Bihar Board Physics Question Paper 2024 with Answer Key

Set I

Q. If in a logic gate output (Y) is obtained by the product of its both inputs (A . B), then the gate is
(A) AND
(B) OR
(C) NOR
(D) NOT

Answer: (A) AND
Q. The width of the forbidden energy gap in the semiconductor approximately
(A) 1 eV
(B) 10 eV
(C) 100 eV
(D) 0-01 eV
Answer: (D) 0-01 eV

Q, The equivalent number of decimal number 27 into binary number system will be
(A) (10011)2
(B) (10111)2
(C) (11001)2,
(D) (11011)2

Answer: D

Q. In full wave rectifier, if input frequency is 50 Hz, then output frequency will be
(A) 25 Hz
(B) 50 Hz
(C) 100 Hz
(D) 200 Hz

Answer: (C) 100 Hz

Q. The device which works of both modulation and demodulation is called
(A) Laser
(B) Radar
(C) Modem
(D) Fax

Answer: (C) Modem

Q. Distance of communication satellite from the surface of the earth is
(A) 36000 km
(B) 36000 mile
(C) 3600 km
(D) 36000 metre

Answer: (A) 36000 km

Q. Attenuation is measured in
(A) ohm
(B) decibel
(C) mho
(D) siemen

Answer: (B) decibel

Q. A magnet is situated near a closed conductor. Current can b produced in the conductor, if
(A) only magnet is in motion
(B) only conductor is in motion
(C) both magnet and conductor are in motion
(D) there is relative motion between magnet and conductor

Answer: (D) there is relative motion between magnet and conductor

Q. The value of current obtained in a moving coil galvanometer proportional to
(A) deflection (0)
(B) resistance (R)
(C) magnetic field (B)
(D) none of these

Answer: (A) deflection (0)

Q. A galvanometer is converted into ammeter by adding
(A) low resistance in parallel
(B) high resistance in series
(C) low resistance in series
(D) high resistance in parallel

Answer:(A) low resistance in parallel

Q. On dividing any magnet of magnetic moment (M) parallel to it
length into n equal pieces, the moment of each piece will be
(A) M/n
(B) M/n²
(c)M/2n
(D) Mxn

Answer: (A) M/n

Q. Which of the following shows hysteresis?
(A) Paramagnetic materials (B) Ferromagnetic materials
(C) Diamagnetic materials (D) None of these

Answer: (B) Ferromagnetic materials

Q. The value of magnetic potential at a distance r from a pole strength m is

Answer: A

Q.

Answer: A

Q. An electron of charge e moves parallel to uniform lines of force in
magnetic field B with velocity v. Force acting on electron is
(A) evB
(B) ev/B
C) 0
D) Bv/e

Answer: (A) evB

Q. The nature of electron beams moving with uniform velocity in the same direction will be
(A) converging
(B) diverging
(C) Parallel
(D) none of these

Answer: (C) Parallel

Q. S.I. unit of self-induction is
(A) coulomb (C)
(B) volt (V)
(C) ohm (2)
(D) henry (H)

Answer: (D) henry (H)

Q. The working principle of dynamo is based on
(A) heating effect of current
(B) electromagnetic induction
(C) induced magnetism
D) induced current
Answer: (B) electromagnetic induction
Image formed in compound microscope is
(A) real and erect
(B) real and inverted
(C) virtual and inverted
(D) virtual and erect
Answer: (A) real and erect

Q. On oscillating any metallic sphere in the magnetic field, its oscillatory motion is
(A) Accelerated
(B) Damping
(C) Uniform
(D) None of these

Answer: (C) Uniform

Q. Convex lens is used in
(A) short-sightedness
(B) long-sightedness
(C) presbyopia
(D) astigmatism

Answer: (B) long-sightedness

Q. The colour of sky is blue due to
(A) interference
(B) scattering
(C) diffraction
(D) polarisation

Answer: (B) scattering

The fringe width in interference of light due to two coherent sources is
(A) proportional to wavelength
(B) inversely proportional to wavelength
(c) Proportional to the square of the wavelength
(D) Inversely proportional to the square of wavelength

Answer: (A) proportional to wavelength

Two sources of monochromatic light is coherent, when their
(A) intensities are equal
(B) amplitudes are equal
(C) phases are equal
(D) none of these
Answer: (B) amplitudes are equal
Q. Which of the following is blocked by a capacitor?
(A) AC
(C) Both AC and DC
(B) DC
(D) Neither AC nor DC

Answer: (B) DC
Q. Two bulbs of 40 W and 60 W are connected to 220 V source. T ratio of their resistances will be
(A) 4:3
(B) 3:4
(C) 2:3
(D)3:2

Q. The resistance of any wire is 500 Ω. Its electrical conductivity will be
(A) 0.002 ohm-1
(B) 0.02 ohm -1
(D) 500 ohm-1
(C) 50 ohm-1

Answer:(A) 0.002 ohm-1

Q. Two equal resistors are first connected in series and then in parallel. The ratio of maximum and minimum resistances will be

(A) 1 – n
(B) n
(C) 2 n
(D) n²

Answer: (D) n²

Q.

Answer; A

Answer: (B)

Q. 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

Q. 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

Q. Which one of the following is not a unit of magnetic field ?
(A) tesla
(B) weber / metre2
(C) newton/ampere-metre
(D) newton/ ampere 2

Q. Unit of linear charge density
(A) coulomb/metre
(B) coulomb x metre
(C) metre/coulomb
(D) none of these

Q. Two equal and opposite charges of 5 coulomb are kept mutually at a distance of 5-0 cm. The electric dipole moment of the system is

Answer: 25X 10-2 C/m

Q. If magnetic field B is perpendicular to surface area vector then the magnetic flux on ds area will be

Answer;  0

Q. Unit of reactance is

Answer: Henry

Q. Mean value of alternating current in a full cycle is
(A) I
(B) I/2
(D) zero
(C) 2I

Answer: (D) zero

Q. If the phase difference between alternating current and e.m.f. is, ∅ then the value of power factor is

Answer: Cos ∅

Q. In AC circuit, power is lost in only
(A) resistance
(B) inductance
(C) capacitance
(D) all of these

Q. Large virtual image of object is formed by
(A) concave mirror
(C) plane mirror
(B) convex mirror
(D) concave lens

Bihar Board 12th Physics Question Paper 2024 PDF

Candidates can download the Bihar Board 12th physics question paper 2024 pdf which helps them to evaluate the score using the Physics answer key.

After the conclusion of the Exam, In the following, we will share the Bihar Board Class 12 Question Paper as well as the respective answer key that is set in PDF format. Students would find it easier to analyse the Bihar Board Class 12 Physics Question Paper 2024 & Answer Key by having it all in one place.

Bihar Board Physics Question Paper 2024 Class 12

The class 12 Physics exam paper was concluded successfully on 3 February at 12:45 PM (in the first shift). Every science stream student who were in class 12 had to appear for the BSEB Physics class 12 exam. The class 12 Physics question paper 2024 had total 10 sets from A to J. These question paper sets have similar questions so that each student can be gauged at the same parameter. The question paper PDF for the Bihar Board class 12 exam 2024 will be uploaded shortly.

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