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After the tremendous success of our last year Important Question Bank for Madhya Pradesh HSSC (HSC) Board Exam 2016 and Important Question Bank for Madhya Pradesh HSSC 12th (HSC) Board Exam 2017 we have also created a list of Most Important Question Bank for Madhya Pradesh HSSC 12th (HSC) Board Exam 2018 which are likely to appear in HSC Board Exams this year.
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1. State Bio-Savart‘s Law, obtain an expression for intensity of magnetic field near a straight, long carrying conductor?
2. State Brewster’s law? Prove that if light is incident at the angle of polarization the reflected and refracted rays are mutually perpendicular?
3. What are De-Broglie waves? Establish De-Broglie wavelength equation?
4. What is meant by ‘LASER’? State its uses?
5. Write the characteristics of LASER rays?
6. What is optical fiber? On what principle does it works?
7. Discuss construction and uses of optical fiber?
8. What is super conductor? Write uses also?
9. State and prove Gauss’s theorem? Use it to derive Coulomb’s inverse square law?
10. What is ozone layer? Why ozone layer is important for existence of life in earth?
11. Describe the terrestrial telescope on the basis of following points:
a. Labelled ray diagram
b. Derivation of formula for magnifying power, when final image is formed at the least distance
of distinct vision?
12. Explain the use of P-N junction diode as full wave rectifier on the basis of the following points:
a. Labelled circuit diagram
b. Working method
c. Graph between input and output potential with the variation of time.
13. Differentiate between P and N type semiconductor?
14. What greenhouse effect? Explain?
15. What is transformer? Write any four differences between step-up and step-down transformer?
16. Describe a transformer under the following headings:
a. Labelled diagram
b. Principle
c. Energy loss in a transformer
17. Write Faraday’s law of electromagnetic induction and obtain an expression of induced e.m.f?
18. Write difference between interference and diffraction?
19. Write four laws of photo electric effects?
20. What is a D.C electric motor? Explain its construction and working?
21. Explain the construction and working of Van de Graff generator? State its uses?
22. In alternating L-C- R circuit, determine the following:
a. Resultant voltage
b. Impedance of the circuit
c. Phase differences between the resultant voltage and current?
23. What is total internal reflection? Write its conditions? Establish the relation between refractive index of the medium and critical angle? On what factor does critical angle depend?
24. What are analog signals and digital signals? Explain?
25. How do you convert NAND and NOR gates into OR, AND, NOT gates? Write down symbols, Boolean formula and truth tables?
26. What are Eddy currents? Why they are produced? State 3 applications of them?
27. Explain how a NPN transistor is used as an amplified in common emitter mode on the basis of following heads:
a. Circuit diagram
b. Voltage gain
c. Current gain
d. Power gain
28. Write difference between amplitude modulation and frequency modulation?
29. State Kirchhoff’s law and derive condition of Wheatstone bridge by using it?
30. What do you mean by potential? Write difference between potential and potential difference?
31. Define remote sensing?
32. Establish relation between electric current and drift velocity?
33. What are electromagnetic waves? Write their characteristics?
34. Define: Plane of vibration and Plane of polarization?
35. Write Lenz’s law? Explain it with example?
36. Prove for an a.c. circuit: P av = V r.m.s x I r.m.s x Cos ᶲ
37. What is oscillator? How many types of oscillator are there?
38. Explain use of transistor as oscillator under following points:
a. Labelled circuit diagram
b. Working
39. Distinguish among Paramagnetic, Ferromagnetic and Diamagnetic materials?
40. Establish relation between focal length and radius of curvature of a convex mirror?
41. Describe the astronomical telescope on the basis of following points:
a. Labelled ray diagram
b. Derivation of formula for magnifying power, when final image is formed at the least distance of distinct vision?
42. Describe the astronomical telescope on the basis of following points:
a. Labelled ray diagram
b. Derivation of formula for magnifying power, when final image is formed at the least distance of distinct vision?
c. Write conditions to increase magnifying power
43. Describe Davisson- Germer’s experiment on the following points:
a. Labelled diagram
b. Results
44. Establish the formula for refractive index of a spherical surface:
µ/V -1/U= µ-1/R, here symbols have their usual meanings?
45. Describe an A.C Dynamo under following points:
a. Labelled diagram
b. Construction
c. Working
d. Principle
46. What are coherent sources? State conditions for the light sources to be coherent?
47. What is shunt? Write its uses? What are advantages and disadvantages of shunt?
48. An air bubble whose surface is convex will act as concave lens inside water? Why?
49. Derive expression for mutual inductance between two long solenoids?
50. Numerical based on De-Broglie’s, Brewster’s angle, focal length and nature of length etc?
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