CBSE Class 12 Physics Sample Paper 2018 Set D

Read and download PDF of CBSE Class 12 Physics Sample Paper 2018 Set D designed as per the latest curriculum and examination pattern for Class 12 issued by CBSE, NCERT and KVS. The latest Class 12 Physics Sample Papers have been provided with solutions so that the students can solve these practice papers and then compare their answers. This will help them to identify mistakes and improvement areas in Physics Class 12 which they need to study more to get better marks in Class 12 exams. After solving these guess papers also refer to solved Class 12 Physics Question Papers available on our website to build strong understanding of the subject

Sample Paper for Class 12 Physics Pdf

Students can refer to the below Class 12 Physics Sample Paper designed to help students understand the pattern of questions that will be asked in Class 12 exams. Please download CBSE Class 12 Physics Sample Paper 2018 Set D

Physics Class 12 Sample Paper

SET–I

1. Using the concept of force between two infinitely long parallel current carrying conductors, define one ampere of current.

2. To which part of the electromagnetic spectrum does a wave of frequency 5 × 1019 Hz belong?

3. Two equal balls having equal positive charge ‘q’ coulombs are suspended by two insulating strings of equal length. What would be the effect on the force when a plastic sheet is inserted between the two?

4. Define intensity of radiation on the basis of photon picture of light. Write its SI unit.

5. The electric current flowing in a wire in the direction from B to A is decreasing. Find out the direction of the induced current in the metallic loop kept above the wire as shown.

6. Why is it found experimentally difficult to detect neutrinos in nuclear b-decay?

7. Why is the use of AC voltage preferred over DC voltage? Give two reasons.

8. A biconvex lens made of a transparent material of refractive index 1.25 is immersed in water of refractive index 1.33. Will the lens behave as a converging lens? Give reason. 

9. Using Rutherford model of the atom, derive the expression for the total energy of the electron in hydrogen atom. What is the significance of total negative energy possessed by the electron?

OR

Using Bohr’s postulates of the atomic model, derive the expression for radius of nth electron orbit. Hence obtain the expression for Bohr’s radius.

10. A parallel plate capacitor of capacitance C is charged to a potential V. It is then connected to another uncharged capacitor having the same capacitance. Find out the ratio of the energy stored in the combined system to that stored initially in the single capacitor.

11. Considering the case of a parallel plate capacitor being charged, show how one is required to generalise Ampere’s circuital law to include the term due to displacement current.

12. A cell of emf ‘E’ and internal resistance ‘r’ is connected across a variable resistor ‘R’. Plot a graph showing variation of terminal voltage ‘V’ of the cell versus the current ‘I’.Using the plot, show how the emf of the cell and its internal resistance can be determined.

13. Explain, with the help of a circuit diagram, the working of a p-n junction diode as a half-wave rectifier.

14. Estimate the average drift speed of conduction electrons in a copper wire of crosssectional area 1.0 ×10–7 m2 carrying a current of 1.5 A. Assume the density of conduction electrons to be 9 x 1028 m–3.


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Sample Paper Physics Class 12

We hope you liked the above provided CBSE Class 12 Physics Sample Paper 2018 Set D. To get an understanding of the type of questions which were asked in exams, it is important for Class 12 students to refer to CBSE Class 12 Physics Sample Paper 2018 Set D that we have provided above. Students can download the Sample Paper for Class 12 Physics which will be coming in the exams so that you can practise them and solve all types of questions that can be asked in exams. If you do CBSE Class 12 Physics Sample Paper 2018 Set D for Class 12 Physics you will easily understand the way examination Sample Paper are set by teachers.

Class 12 Physics Sample Paper

The latest Sample Paper CBSE Class 12 Physics Sample Paper 2018 Set D covers all the topics which have been suggested by CBSE in their Class 12 Physics syllabus for the current year. By doing CBSE Class 12 Physics Sample Paper 2018 Set D you will understand the regular questions and MCQ questions for Class 12 Physics which are always asked and learn them so that you can get full marks in those questions.

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Physics Sample Paper Class 12 with Solutions

We have provided CBSE Class 12 Physics Sample Paper 2018 Set D with solutions. You will be able to understand the type of answers which you should write in Class 12 Physics exams to score good marks. You should attempt all the last year question paper for Class 12 and Class 12 Physics MCQ Test in examination conditions at home and then compare their answers with the solutions provided by our teachers. This way you will be able to identify your weak areas and also understand how the teachers of Class 12 Physics set their questions in the exams.

CBSE Class 12 Physics Sample Paper with solutions

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