CBSE Class 12 Physics Exam 2024:The Central Board of Secondary Education (CBSE) Senior Secondary Exams 2024 are ongoing. On Monday, March 4, 2024, the exam for one of the most important core subjects was conducted. The exam was for Class 12 Physics. It was a three-hour paper scheduled from 10:30 a.m. to 1:30 p.m. At 1:30 p.m., the answer sheets were collected, and students were allowed to leave the exam centre.
Outside the examination centre, students generally discuss their papers with their fellow classmates. Here, you will get the answers to all the questions in the provisional answer key provided in this article. The answer key will follow a single set, which will be mentioned before the start of the answer. Thus, match the question language to get the answer.
CBSE Class 12 Physics Highlights
Check the general details related to the CBSE Class 12 Physics Exam 2024 from the table below:
| Board | CBSE |
| Subject | Physics |
| Subject Code | 041 |
| Class | 12 |
| Item | Syllabus |
| Marks Distribution | Theory: 70 Practical: 30 |
| Total No of Chapters | 14 |
| Total No of Units | 9 |
| Theory Exam Day | Monday |
| Theory Exam Date | March 4, 2024 |
| Theory Exam Timings | 10:30 a.m. to 1:30 p.m. |
CBSE Class 12 Physics 2024 Question Paper PDF
The CBSE Class 12 Physics question paper 2024 can be downloaded from here in PDF format. Teachers and students will be able to download all of the major sets from the link below:
Check CBSE Class 12 Physics 2024 Question Paper PDF Here |
CBSE Class 12 Physics Analysis, Expert Review
You can view the paper analysis at the following link to learn how the physics paper for CBSE Class 12 was conducted as well as what experts and students thought of it.
Check CBSE Class 12 Physics Analysis 2024 Here |
CBSE Class 12 Physics Answer Key 2024
Set 1 Answer Key
Section A
1. A battery supplies 0.9 A current through a 2 Ω resistor and 0.3 A current through a 7 Ω resistor when connected one by one. The internal resistance
of the battery is:
A. 2Ω
B. 1.2Ω
C. 1Ω
D. 0.5Ω
Answer: D. 0.5Ω
2. A particle of mass m and charge q describes a circular path of radius R in a magnetic field. If its mass and charge were 2 m and q/2 respectively, the radius of its path would be:
A. R/4
B. R/2
C. 2R
D. 4R
Answer: C. 2R
3. Which of the following pairs is that of paramagnetic materials?
(A) Copper and Aluminium
(B) Sodium and Calcium
(C) Lead and Iron
(D) Nickel and Cobalt
Answer: (D) Nickel and Cobalt
4. A galvanometer of resistance 50 Ω is converted into a voltmeter of range (0 - 2V) using a resistor of 1.0 kΩ. If it is to be converted into a voltmeter of range (0 - 10 V), the resistance required will be
(A) 4.8 kΩ
(B) 5.0 kΩ
(C) 5.2 kΩ
(D) 5.4 kΩ
Answer: (C) 5.2 kΩ
5. Two coils are placed near each other. When the current in one coil is changed at the rate of 5 A/s, an emf of 2 mV is induced in the other. The mutual inductance of the two coils is
A. 0.4 mH
B. 2.5 mH
C. 10 mH
D. 2.5 H
Answer: A. 0.4 mH
6. The electromagnetic waves used to purify water are
A. Infrared rays
B. Ultraviolet rays
C. X-rays
D. Gamma rays
Answer: B. Ultraviolet rays
7. The focal lengths of the objective and the eyepiece of a compound microscope are 1 cm and 2 cm respectively. If the tube length of the microscope is 10 cm, the magnification obtained by the microscope for most suitable viewing by relaxed eye is :
(A) 250
(B) 200
(C) 150
(D) 125
Answer:
8. The variation of the stopping potential (V0) with the frequency (v) of the incident radiation for four metals A, B, C and D is shown in the figure. For the same frequency of incident radiation producing photo-electrons in all metals, the kinetic energy of photo-electrons will be maximum for metal
(A) A
(B) B
(C) C
(D) D
Answer:
9. The energy of an electron in the ground state of hydrogen atom is -13.6 eV. The kinetic and potential energy of the electron in the first excited state will be
(A) -13.6 eV, 27.2 eV
(B) -6.8 eV, 13,6 eV
(C) -3.4 eV, -6.8 eV
(D) 6.8 eV, -3.4 eV
Answer:
10. A Young's double-slit experimental set up is kept in a medium of refractive index (4/3). Which maximum in this case will coincide with the 6th maximum obtained if the medium is replaced by air ?
(A) 4th
(B) 6th
(C) 8th
(D) 10th
Answers to Set 3 (Q.P. Code 5/2/3)
| Question | Answer |
| 1 | D |
| 2 | A |
| 3 | B |
| 4 | - |
| 5 | D |
| 6 | |
| 7 | - |
| 8 | - |
| 9 | - |
| 10 | - |
| 11 | B |
| 12 | C |
| 13 | A |
| 14 | C |
| 15 | B |
| 16 | A |
Keep checking for more answers...
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