Class 12th physics notes
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Show moreπ Analytical overview of Telegram channel Class 12th physics notes
Channel Class 12th physics notes (@class_12_physics_notes) in the English language segment is an active participant. Currently, the community unites 12 987 subscribers, ranking 15 478 in the Education category and 31 888 in the India region.
π Audience metrics and dynamics
Since its creation on Π½Π΅Π²ΡΠ΄ΠΎΠΌΠΎ, the project has demonstrated rapid growth, gathering an audience of 12 987 subscribers.
According to the latest data from 29 June, 2026, the channel demonstrates stable activity. Although there has been a change in the number of participants by -371 over the last 30 days and by -19 over the last 24 hours, overall reach remains high.
- Verification status: Not verified
- Engagement rate (ER): The average audience engagement rate is 1.55%. Within the first 24 hours after publication, content typically collects 0.33% reactions from the total number of subscribers.
- Post reach: On average, each post receives 201 views. Within the first day, a publication typically gains 43 views.
- Reactions and interaction: The audience actively supports content: the average number of reactions per post is 1.
- Thematic interests: Content is focused on key topics such as cbse, subject, 12th, pdfs, physics.
π Description and content policy
The author describes the resource as a platform for expressing subjective opinions:
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Contact here @MaterialXrequest_bot for requesting any Study materials
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Thanks to the high frequency of updates (latest data received on 30 June, 2026), the channel maintains relevance and a high level of publication reach. Analytics show that the audience actively interacts with content, making it an important point of influence in the Education category.
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| 2 | Q10/10: Assertion: The photoelectric effect demonstrates the particle nature of light. Reason: Photoelectric emission is an instantaneous process. | 74 |
| 3 | Q9/10: What is the momentum of a photon of frequency nu? | 66 |
| 4 | Q8/10: Two metals A and B have work functions 2 eV and 4 eV respectively. Which metal has a lower threshold wavelength? | 59 |
| 5 | Q7/10: If the kinetic energy of a free electron doubles, its de Broglie wavelength changes by the factor: | 47 |
| 6 | Q6/10: The rest mass of a photon is: | 42 |
| 7 | Q5/10: According to Einstein's photoelectric equation, the maximum kinetic energy of photoelectrons depends linearly on: | 40 |
| 8 | Q4/10: The de Broglie wavelength associated with a particle of momentum 'p' is given by: | 41 |
| 9 | Q3/10: In the photoelectric effect, the number of photoelectrons emitted per second is proportional to: | 44 |
| 10 | Q2/10: The minimum energy required by an electron to just escape from the metal surface is called: | 44 |
| 11 | Q1/10: Who discovered the photoelectric effect? | 48 |
| 12 | β¨ Quiz Time! β¨
Answer today's quiz questions and test your knowledge.
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Good luck! | 50 |
| 13 | π Quiz Finished! π
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Next quiz today at 20:00 (in 23h 51m) | 124 |
| 14 | Q10/10: A beam of ordinary light is incident on a polaroid, and the transmitted light is passed through another polaroid. If the intensity is reduced to 25% of original, the angle between them is: | 119 |
| 15 | Q9/10: If the two slits in Young's experiment are illuminated by two different sodium lamps emitting light of the same wavelength, the interference pattern will: | 101 |
| 16 | Q8/10: The condition for obtaining a secondary maximum in the diffraction pattern due to a single slit is (where a is slit width): | 92 |
| 17 | Q7/10: The shape of the wavefront originating from a point source is: | 76 |
| 18 | Q6/10: Assertion: In Young's double-slit experiment, the fringe width for dark fringes is different from that for bright fringes. Reason: In YDSE, the fringes are produced by the superposition of two waves. | 68 |
| 19 | Q5/10: Unpolarized light is incident on a plane glass surface at the Brewster angle. What is the angle between the reflected and refracted rays? | 64 |
| 20 | Q4/10: In a single-slit diffraction experiment, the first minimum for red light (660 nm) falls at the first maximum of another wavelength X. What is X? | 73 |
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