Physics– Important Questions Bank for Madhya Pradesh HSC Board 2016 Examination

1. Describe the cerement to fine the focal length of a convex lens by displacement method under following headings.
   1. Line diagram
   2. Formula derivation
   3. Reason of d>4f
   4. Any two precautions.
2. Establish refraction formula (µ/v)-(1/u)=(µ-1)/R on convex spherical surface.
3. What is total internal reflection? What are it’s necessary conditions?
4. What is critical angle? Find the relationship between critical angel and refractive index of the medium
5. Establish the mirror equation (1/f)=(1/v)+(1/u) find the relationship among real depth, apparent depth and refractive index of a denser medium
6. What is Polaroid/ write its construction, Working process a uses. Establish the relation between focal length and radius of curvature of a spherical mirror.
7. What is Brewster’s law prove that reflected ray & refracted ray are mutually perpendicular at Brewster’s angle.
8. Derive the formula of ring width in the young’s double slit experiment
9. What is interference of light? How many types of interferences are there? Find the require conditions to obtain it.
10. Find the relationship between height of TV antenna &its transmission range
11. What is green house effect & ozone layer?
12. What is the roll of ionosphere in the transmission of radio waves.
13. What are the uses of gamma rays, X-rays & infrared rays?
14. What is electromagnetic spectrum? Write its waves in increasing order of their wavelengths.
15. What are electromagnetic waves? write its properties.
16. What are the losses in transformer and how they are recovered?
17. What is transformer? What are its types? Find the expression of its transformation ratio.
18. What is dynamo? Describe dc dynamo under following headings
    1. Line diagram of apparatus
    2. About main parts
    3. Working procedure
19. What is dynamo? Describe ac dynamo under following headings
    1. Line diagram of apparatus
    2. About main parts
    3. Working procedure
20. What are eddy currents? Describe its any two applications
21. Calculate the mutual inductance between two plane circular coils
22. Calculate the self inductance of a plane circular coil
23. Define coefficients of self induction & mutual induction in terms of current and induced e.m.f
24. Write Faraday’s laws of electromagnetic induction and calculate induced e.m.f
25. Find the work done in rotating a magnet in an uniform magnetic field and potential energy of a magnet.
26. Find the moment of couple acting on a bar magnet suspended in an uniform magnetic field.
27. Find the magnetic field intensity in broad side on position of a magnetic dipole.
28. Find the magnetic field intensity in end on position of a magnetic dipole.
29. What is magnetic line of prove? Write its properties.
30. What is the principle of shunt? Establish an expression for it.
31. What is the principle of moving coil glavanmeter. What do you mean by its sensitivity and how it is increased?
32. What is cyclotron? Write its working procedure & calculate its frequency.
33. Find the intensity of magnetic field at a point lieing on the axis of a current carrying coil
34. Write bio-savart’s law relating to magnetic effect of current
35. What is mixed combination of cells? Calculate resultant capacity of this combination & find whether it will be profitable.
36. What is parallel combination of cells? Calculate resultant capacity of this combination & find whether it will be profitable.
37. What is series combination of cells? Calculate resultant capacity of this combination & find whether it will be profitable.
38. Explain charging & discharging procedure of Ni-Fe cell or alkali accumulator by chemical equation and required line diagrams.
39. Explain charging & discharging procedure of lead accumulator by chemical equation and required line diagrams.
40. How will you find the specific resistance of substance of a wire with the help of Meter Bridge apparatus and describe it under following Heading –
    1. line diagram of electric circuit
    2. Establishment of formula
    3. Observation table
    4. Any two precautions
41. Write principle of Wheatstone’s Bridge and establish required formula P/Q=R/S.
42. Write kirchoff’s law related to distribution of electric current in an electric circuit.
43. What is Van-de-Graff generator? Write it’s working by making clean line diagram of it.
44. Find the energy loss in connecting two unequal charged conductors
45. Find the expression for capacity of a parallel plate condenser in the presence of the partly dielectric substance and write the factors affecting it’s capacity.
46. Find the expression for capacity of a parallel plate condenser and write the factors affecting capacity
47. Find the expression of electric capacity of a spherical conductor and write the factors affecting it’s capacity.
48. Calculate the potential at a point located near a point charge.
49. Write Gauss theorem & prove it.
50. Find the intensity of electric field in the coaxial position of electric dipole.
51. Find the intensity of electric field in the axial position of electric dipole.
52. Write coulomb ‘saw and define unit charge by expression.
53. Describe dc motor under following headings.
    1. Line diagram of apparatus
    2. About main parts
    3. Working procedure
54. Derive the formula of refractive index µ=sin{(A+8)/2}/sin(A/2) of substance of a glass prism.
55. What is pure spectrum? What are necessary conditions to get it?
56. What is dispersion without deviation? Find its condition and calculative total dispersion
57. What is deviation? Without dispersion? Find its condition and calculate total deviation.
58. What is compound microscope? Find its formula of magnifying power when final image appears at
    1. Least distance of clear vision
    2. Infinity
59. What is terrestrial telescope? Find its formula of magnifying power when final image appears at
    1. Least distance of clear vision
    2. Infinity
60. What is reflecting telescope? How does it work? Write its formula of magnifying power and write its merits
61. What is resolving limit and resolving power of telescope? How the resolving power of microscope is increased?
62. What is photo electric effect? Describe it
63. Write the laws of photo electric emission
64. Establish Einstein’s photo electrics equation? What is photo electric cell? How many types of its are there? Write its uses
65. What are de-Broglie wave and its hypothesis?
66. Describe Davission and Germers experiment for the proof of Electron beam as a wave behavior under following headings?
    1. Line diagram of apparatus
    2. Experimental procedure
    3. Observation
67. Write down any 5 differences among conductors, insulators and semiconductors
68. Write down any 5 differences between N-type and P-type semiconductors
69. Describe the use of PN junction diode as half wave rectifier and full wave rectifier.
70. What is PNP transistor? Describe its working by drawing line diagram of electric circuit
71. What is NPN transistor? Describe its working by drawing line diagram of electric circuit
72. Describe the use of PNP transistor as an amplifier in common emitter mode and find the expressions of current gain, voltage gain & power gain.
73. Describe the use of NPN transistor as an amplifier in common emitter mode and find the expressions of current gain, voltage gain & power gain.
74. Describe the use of NPN transistor as an oscillator
75. Describe Analog signal & Digital signal by figures.
76. Describe main steps of converting analog signal into digital signal
77. What is system of communication? Describe its main steps
78. What are amplitude modulation and frequency modulation? Write down any differences between them
79. What is modem? Describe its method of working by drawing necessary line diagram
80. What is Fax Machine? Describe its method of working by drawing necessary line diagram
81. What is laser? Write down its merits and uses.

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