CBSE Class 12 Physics Question Paper 2021 Set 05

Previous Year Question Papers for Class 12 Physics

Explore authentic exam materials through the CBSE Class 12 Physics Question Paper 2021 Set 05. Tailored for Class 12 learners, utilizing these Physics previous year papers ensures thorough preparation and strengthens time management skills before final CBSE evaluations.

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Navigate directly to the solved Physics question papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

CBSE Class 12 Physics Question Paper 2021 Set E. Students can download the last year board exams question papers using the link below. Free download of examination question papers with solutions. Last 10 year question papers should be practised to get better marks in examinations.

 

1. If the radius of the Gaussian surface enclosing a point charge is halved, how does the electric flux through the Gaussian surface change?

2. Draw the graph of resistivity against absolute temperature T for an alloy used for making standard resistance wires.

3. What is the condition in terms of angle of diffraction for observing first minimum in case of diffraction due to a single slit?

4. An air core coil 'L' and a bulb 'B ' are connected in series in the ac mains as shown in the figure. The bulb glows with some brightness. How will the glow of the bulb change if the frequency of the ac source is changed? Give reason in support of your answer.

CBSE Class 12 Physics Question Paper 2021 Set D

5. A given logic gate gives high state of output only when both of its inputs are at high state. Identify this gate and give its logic symbol.

6. An electric dipole with electric dipole moment 4x10-9Cm oriented at 30o with the direction of a uniform electric field of magnitude 5x 104N/C. Calculate the magnitude of the torque acting on the dipole.

7. Identify the following electromagnetic radiation as per wavelength given below. Write one application of each. a) 1mm b) 10-12m c) 10-8m

8. Distinguish between point to point communication and broadcasting mode. Give one example of each.

9. The ratio between the de-Broglie wavelengths associated with protons accelerated though a potential of 512V and alpha particles accelerated through a potential of 'x' is found to be same.

Find the value of x.

10. A metal has threshold wavelength of 600nm. Calculate (i) Threshold frequency

(ii) Work function of metal in eV.

11. Explain why high frequency carrier waves are used for effective transmission of signals. A message signal of 12 kHz and peak voltage 20V is used for modulating a carrier wave frequency 12MHz and peak voltage 30V. Calculate the (i) modulation index (ii) side band frequencies.


Please click the link below to download pdf file of CBSE Class 12 Physics Question Paper 2021 Set E

Download CBSE Question Papers: Class 12 Physics

Understanding Exam Patterns with CBSE Class 12 Physics Question Paper 2021 Set 05

Explore downloadable past papers for Class 12 Physics. Utilizing the CBSE Class 12 Physics Question Paper 2021 Set 05 ensures complete preparedness by offering clear insights into historical question styles and marking expectations.

Why Practice Class 12 Physics Question Papers?

Reviewing official papers clarifies the exact marking scheme and structural layout established by the CBSE, enabling students to structure answers for maximum score potential.

Additional Study Resources for Class 12 Physics

Pair your past paper revision with our official Class 12 Physics sample papers and online practice modules to achieve total curriculum mastery.

FAQs

Where can I download the official PDF for CBSE Class 12 Physics Question Paper 2021 Set 05?

The CBSE Class 12 Physics Question Paper 2021 Set 05 is available for download on StudiesToday.com. It includes complete set with all sections so that Class 12 students can practice with the exact same paper that came in the CBSE exams.

Are the solutions for CBSE Class 12 Physics Question Paper 2021 Set 05 based on the official CBSE marking scheme?

Yes, the solutions for CBSE Class 12 Physics Question Paper 2021 Set 05 are prepared by subject matter experts as per official marking scheme. Class 12 students will understand the structure of answers and 'step-marks' methodology Physics.

How does solving CBSE Class 12 Physics Question Paper 2021 Set 05 help in preparing for the 2026
exams?

Solving previous year papers like CBSE Class 12 Physics Question Paper 2021 Set 05 is important to understand repeat themes and question difficulty levels of Physics. It helps Class 12 students to test their time management skills too.

Can I access CBSE Class 12 Physics Question Paper 2021 Set 05 in different languages?

Yes, where applicable, CBSE Class 12 Physics Question Paper 2021 Set 05 is available in both English and Hindi mediums. All students from Class 12 can access Physics study material in their preferred language.

Is there a charge to download the CBSE Class 12 Physics solved papers?

No, all previous year question papers on StudiesToday, including CBSE Class 12 Physics Question Paper 2021 Set 05, are provided free of charge in mobile-friendly PDF.