· pdf file 3 s.no. questions no. of repetition 15 problem question 2.5 9 16 problem question...

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FREQUENTLY ASKED QUESTIONS (FAQs) – PUBLIC EXAMINATION

(From March 2006 to September 2015)

S.No. Questions No. of

Repetition

PART - II

1 Coulomb's law 6

2 Safer inside a car during lightning - why? 6

3 State Gauss's law 5

4 Electric potential at a point 4

5 Electric polarisation 4

6 Corona discharge 4

7 Non-polar molecules 3

8 Define one coulomb 3

9 Dipole and dipole moment 3

10 Uses of capacitors 3

11 Electric flux - define 2

12 Polar molecules 2

13 Define capacitance 2

14 Properties of Electric lines of force 2

15 Microwave oven 2

16 Additive law of charges 1

17 What is meant by Electro static shielding 1

18 Problem Question 1.7 (i) 2

19 Problem Question 1.8, 1.12, 1.59 (i) (each) 1

20 New created problems 2

PART - III

1 Properties of electric lines of force 9

2 Torque experienced by a dipole 3

3 Electric potential energy (System of 2 charges) 2

4 Problem Que. 1.59, 1.16, 1.54 2

5 Capacitance of parallel plate capacitor 2

6 Energy stored in a capacitor 2

1. ELECTROSTATICS

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Repetition

7 Cap. C of parallel plate capacitor - dielectric slab 1

8 Capacitors in series 1

9 What is capacitor? Explain principle. 1

10 Problem Que. 1.13, 1.56, 1.9, 1.10, 1.49 1

PART - IV

1 Dipole - Electric field at axial line 7

2 Potential at a point due to a dipole - Special cases

7

3 Van De Graff generator 5

4 Dipole - Electric field at an equatorial line 4

5 Gauss's law and application 3

6 Capacitances in series and parallel 3

7 Explain Principle of capacitor. Capacitance of Parallel plate capacitor.

1


Repetition

PART - II

1 Define drift velocity 10

2 State Kirchoff's laws 8

3 Ohm's law 7

4 Difference betweenElectrical energy and power 6

5 Applications of Super conductors 6

6 Differentiate PD and EMF 6

7 Faraday's laws of electrolysis 5

8 Define mobility 4

9 Temperaure coefficient of resistance 3

10 Applications of secondary cells 3

11 Changes during Transition Temperature 2

12 Define – Resistivity 2

13 Define critical temperature 1

14 What is Super conductivity 1

2. CURRENT ELECTRICITY



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Repetition

15 Problem Question 2.5 9


17 Problem Question 2.32, 2.39 (each) 2

18 Prob Qns 2.6, 2.34, 2.38, 2.3, 2.43 (each) 1


PART - III

1 Applications of superconductors 7

2 Balanced condition of Wheatstone's bridge 6

3 Internal resistance using voltmeter 6

4 Construction and working of Daniel cell 5

5 Comparision of e.m.fs – potentiometer 5

6 Verification of Faraday’s II law of electrolysis 4

7 Construction and working of Leclanchee cell 3

8 Principle of a potentiometer 3

9 Faradays I law verification 2

10 Resistances in parallel 2

11 State and explain Kirchoff’s second law 1

12 Define Mobility, I – V relation 1

13 Resistance Vs Temp. expression and graph 1

14 Lead Acid accumulator 1

15 Wheatstone’s Bridge 1

16 Problem Que. 2.10, 2.33 (each) 3

17 Problem Que. 2.11, 2.30, 2.44 (each) 2

18 Problem Que. 2.2, 2.8, 2.9, 2.12, 2.34 (each) 1


Repetition

PART - II

1 Peltier coeficient 4

2 Define one ampere 4

3. EFFECTS 0F ELECTRIC CURRENT



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Repetition

3 Limitation of cyclotron 3

4 Nichrome is used as heating element - why? 3

5 Ampere circuital law 2

6 How to increase sensitivity of a galvanometer 2

7 Define Thomson coefficient 2

8 Fleming's left hand rule 2

9 Differentiate Peltier and Joule heating effect 1

10 Neutral temperature and inversion temperature 1

11 Tangent law 1

12 Conversion of Galvan into voltmeter ammeter 1

13 Problem Question 3.2, 3.4, 3.12 (each) 1

PART - III

1 Conversion of galvanometer into an ammeter 3

2 Conversion of galvanometer into an voltmeter 3

3 Special features of Lorentz force 2

4 State and explain Biot - Savart law 1

5 Principle and Construction of TG 1

6 Problem Que. 3.16 4


8 Problem Que. 3.3, 3.30, 3.36 (each) 2

9 Problem Que. 3.6, 3.7, 3.11, 3.14, 3.15, 3.17,

3.18, 3.39 (each) 1

PART - IV

1 Biot - Savart law - B due to straight conductor 7

2 Cyclotron 5

3 Force on a current carrying condu. In mag. Field 4

4 Mag. Induction - circular coil 4

5 Motion of charged particle in uniform mag. Field 4

6 Joule's law of heating 2

7 Tangent Galvanometer 1

8 Ampere's circuital law + long solenoid 1

9 Force bet. Current carrying parallel conductor 1



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Repetition

PART - II

1 Quality factor 6

2 Fleming right hand rule 5

3 Faradays' law of Electro magnetic induction 5

4 Methods of producing induced emf 4

5 r.m.s value of AC 4

6 Lenz's law 3

7 Define self inductance 2

8 Efficiency of a transformer 2

9 What is meant by Electro magnetic induction 1

10 AF choke coil and RF choke coil 1

11 DC ammeter doesn't measure AC 1

12 Capacitor block dc why? 1

13 Define - unit of self induction 1

14 Define- Coefficient of self induction & its unit 1



17 Problem Question 4.4, 4.6 3

18 Problem Question 4.1, 4.3 (i), 4.5, 4.55 (each) 1


PART - III

1 Power losses in a transformer 9

2 Induced EMF by changing the are of the coil 8

3 Application of Eddy current 3

4 AC Circuit having Inductor only 2

5 Mutual induction of 2 long solenoid 2

6 AC Circuit having Resistor only 2

7 Self induction of long solenoid 1

8 EM induction Faraday's law and Lenz's law 1

4. ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENT



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Repetition

9 Energy associated with an inductor 1


PART - IV

1 AC Generator (single phase) 10

2 EMF induced by changing orientation of coil 8

3 RLC series circuit, V, Z, 6

4 Transformer 3

5 Eddy current applications 1

6 AC circuit with inductance 1

7 AC circuit with capacitor 1


Repetition

PART - II

1 Tyndall scattering 6

2 Specific rotation 4

3 Huygen's principle 4

4 Sky look blue in colour - why? 3

5 Factors of optical rotation 3

6 Difference bet. Fresnel and Fraunhofer diffraction 2

7 Centre of newton's ring is black - why? 2

8 Define Optical axis 2

9 Conditions for Total internal reflection 2

10 Application of IR rays 1

11 Brewster's law 1

12 Emission and absorption spectra 1

13 Fraunhofer lines define 1

14 Band emission spectra 1

15 Uses of UV rays 1

16 Conditions for sustained interference 1

5. ELECTROMAGNETIC WAVES AND WAVE OPTICS



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Repetition

17 3 characteristics of EM wave 1

18 What is Uniaxial, Biaxial crystals? Give Examples. 1

19 Problem Question 5.4, 5.5, 5.8, 5.45 (each) 3



PART - III

1 State and prove Brewster's law 9

2 Write a note on Nicol prism 3

3 Pile of plates 2

4 Radius of nth ring in newton rings experiment 2

5 Diff. bet. Interference and diffraction 1




9 Problem Que. 5.1, 5.4, 5.5, 5.8, 5.42, 5.44, 5.45,

5.48 (each) 1

PART - IV

1 Young's double slit experiment - Exp for Bandwidth

9

2 Emission and Absorption spectra 7

3 Raman effect 7

4 Total internal reflection 3

5 Interference transparent film 2

6 Huygen's principle - explain law of reflection 2


Repetition

PART - II

1 characteristics of LASER 6

2 Mosley's law 5

3 Medical applications of Laser 4

4 Conditions for LASER action 4

6. ATOMIC PHYSICS



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Repetition

5 Ionisation potential / Ionisation energy 4

6 Applications of Mosley's law 4

7 Conclusion from Laue's experiment 3

8 Principle of Millikan's oil drop experiment 3

9 Industrial applications of Laser 1

10 3 Properties of cathode rays 1

11 Hologram and its applications 1

12 Limitations of Rutherford model 1

13 Limitations of sommerfeld model 1

14 Distinguish Soft & Hard X - rays 1




18 Problem Question 6.1, 6.5, 6.7(i), 6.7(ii), 6.45(i) (each)

1

19 New created problem 1

PART - III

1 Explain the spectral series of hydrogen atom 6

2 Origin of characteristic X-ray spectrum 4

3 Obtain Brag's law 4

4 Characteristics of X - rays 4

5 Properties of cathode rays 3

6 Laue's experiment 2

7 Radius of nth orbit of Hydrogen 1

8 Energy of nth orbit of Hydrogen atom 1

9 Properties of Canal rays 1

10 Problem Que. 6.4, 6.5, 6.8, 6.45 (each) 1

PART - IV

1 JJ Thomson e/m experiment 8

2 Ruby laser 7

3 Radius of n-th orbit of hydrogen atom 6

4 He – Ne laser 4

5 Millikan’s oil drop experiment 2



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Repetition

6 Bragg’s law & Bragg’s spectrometer 1

7 Bragg’s spectrometer & Charact. X-ray spectrum 1


Repetition

PART – II

1 Applications of photo electric cells 6

2 Postulates of special theory of relativity 4

3 Limitations of electron microscope 4

4 Inertial and non-inertial frames of reference 3

5 Stopping potential 3

6 Applications of electron microscope 2

7 Define – Threshold frequency 2

8 Define – Concept of time 1

9 What is photoelectric cell? Its types 1


11 Problem Question 7.6 (i) 1


PART - III

1 De Broglie wavelength of matter waves 9

2 Derive Einstein's photoelectric equation 8

3 Explain length contraction 8

4 Applications of photoelectic cells 7

5 State the laws of photoelectric emission 5

6 Time dilation 3

7 Working of photo emissive cell 2

8 Wave mechanical concept of atom 1

9 Uses and limitations of Elect. Microscope 1

10 De Broglie wavelength of electron 1

11 E = mc2 relation 1

7. DUAL NATURE OF RADIATION AND MATTER - RELATIVITY



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Repetition




15 Problem Que. 7.4, 7.5, 7.34, 7.40, 7.42 (each) 1


Repetition

PART - II

1 Define - 1 curie 7

2 Properties of neutrons 5

3 Pair production- annihilation of matter 4

4 Cosmic rays 3

5 Leptons 3

6 Propertoes of nuclear forces 2

7 Uses of nuclear reactor 2

8 Define - 1 Rontgen 2

9 Alpha decay 2

10 Define Artificial radio activity 2

11 Critical volume and critical mass 2

12 Breeder reactor 2

13 Results of binding energy per nucleon graph 1

14 Control rods in a nuclear reactor 1

15 Mass defect 1

16 Binding energy 1

17 Neutrons on the basis of kinetic energy 1

18 Proton - Proton cycle 1

19 State Radio active disintegration law (or)

Rutherford Soddy law 1

20 Methods of producing artificial radio isotopes 1

21 Precautions – in radioactive lab 1

8. NUCLEAR PHYSICS



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Repetition





PART - III

1 Cosmic ray shower 2

2 Latitude effect of cosmic rays 2

3 Properties of alpha rays 2

4 Properties of neutrons 1

5 Properties of Gamma rays 1

6 Soddy and Fajan's displacement laws 1

7 Biological hazards 1

8 BE curve 1

9 Principle and working of atom bomb 1

10 Carbon – Nitrogen cycle in stellar energy 1



13 Problem Que. 8.2, 8.5, 8.7, 8.9 (each) 2

14 Problem Que. 8.6, 8.49, 8.51, 8.54, 8.56, 8.57, 8.59 (each)

1


PART - IV

1 Bainbridge mass spectrometer 11

2 Geiger - Muller counter 7

3 Radioactive law of Disintegration 6

4 Lattitude and altitude effect of cosmic rays 4

5 Nuclear reactor 1

6 Discovery & properties of neutrons 1



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Repetition

PART - II

1 Advantages of negative feedback 7

2 Extrinsic semiconductor 6

3 De-Morgan's theorem 6

4 Zener breakdown 5

5 Advantages of IC's 5

6 Barkausen condition 5

7 Bandwidth of an amplifier 4

8 What is meant by IC 4

9 Zener diode & symbol 3

10 What is rectification 3

11 Methods of Doping 3

12 What is LED and its uses, symbol 3

13 Define Input impedance 2

14 Define Output impedance 2

15 NAND and NOR are universal gates why? 2

16 Characteristics of OP-AMP 2

17 Applications of CRO 2

18 Intrinsic semiconductor 2

19 What is doping 1

20 Energy level diagram of N type and P type 1

21 biasing of a transistor 1

22 Distinguish Avalanche and Zener breakdown 1

23 Distinguish Analog and digital signal 1

24 Circuit diagram of OP-AMP as summing amp. 3

25 Circuit diagram of NPN transistor in CE mode 2

26 Essential parts of LC oscillator & block diagram 2

9. SEMICONDUCTOR DEVICES AND THEIR APPLICATIONS



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Repetition

27 Circuit diagram of AND gate using diodes 2

28 Circuit diagram of OR gate using diodes 1

29 Circuit diagram of OP-AMP as inverting amplifier 1

30 Circuit diagram of OP-AMP as difference amplifier 1

31 Circuit diagram of NPN transistor in CC mode 1




35 Problem Question 9.4, 9.8(i), 9.52 (each) 2

36 Problem Question 9.2, 9.5, 9.8(iii), 9.51, 9.55, 9.57, 9.60 (each)

1


PART - III

1 State and prove De Morgan's theorem 8

2 Half wave rectifier 5

3 Transistor as a switch 3

4 Voltage divider bias 2

5 relation 2

6 Zener diode as voltage regulator 2

7 Multimeter as ohm meter 2

8 OP AMP as a summing Ampifier 1

9 Frequency curve of single stage CE ampl. 1

10 AND gate - function, using electronic and diode 1

11 Circuit diagram and pin configuration of OP-AMP 1

12 Bridge rectifier 1


PART - IV

1 Colpitt's oscillator 8

2 Bridge rectifier 7

3 CE single stage amplifier 4

4 NPN CE transistor characteristics 3

5 Def. Feedback. Gain of the amp.with - ve feed

back. 3

6 Inverting and Non-inverting OP-AMP 2



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Repetition

7 Summing amplifier 2

8 Difference amplifier 1


Repetition

PART - II

1 Skip distance 9

2 Modulation factor 7

3 Advantages of digital communication 3

4 FAX and its applications 2

5 Advantages of fiber optic communication 2

6 Amplitude of modulation 1

7 Necessity of modulation 1

8 Applications of RADAR 1

9 Advantages of FM 1

10 Different type of radiowave propagation 1

11 What is interlaced scanning 1

12 What is Skip Zone ? 1

PART - III

1 Explain the function of FM transmitter 6

2 Merits and demerits of digital communication 5

3 Principle of RADAR and write it's applications 4

4 Function of AM radio transmitter 4

5 Optice fibre and it's advantages 3

6 Merits and demerits of satellite communication 3

7 FM superhetrodyne receiver 2

8 Space wave propagation 1

9 Block diagram of RADAR 1


10. COMMUNICATION SYSTEMS



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Repetition

PART - IV

1 AM wave analysis and its spectrum 9

2 B/W TV receiver 7

3 Super hetrodyne AM Radio receiver 4

4 RADAR - transmission and reception 4

5 B/W TV transmitter 4

6 Vidicon camera tube 2

Prepared by : V.K.Baskaran, M.Sc., M.Ed.,

B.T. Assistant,

P.U. Middle School,

Moolimangalam, Karur Dist

Cell : 9865471435, e-mail : [email protected]



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· pdf file 3 s.no. questions no. of repetition 15 problem question 2.5 9 16 problem question...

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