Possible
TEN mark Questions
1. Explain
the construction and the working of Van de Graaff
generator.
2. Derive
an equation for the electric potential at any point due an electric dipole.
3. Deduce
the expressions for the equivalent capacitance of the capacitors connected in
series and in parallel.
4. Derive
an expression for the electric field due to an infinite long straight charged
wire using Gauss’s law.
5. Derive
an expression for the electric field at any point on the equatorial line of an
electric dipole.
6. Explain
the construction and the working of a moving coil galvanometer.
7. Explain
the construction, working and the limitations of a cyclotron.
8. Derive
an equation of the magnetic induction at a point due to an infinitely long
straight conductor carrying current.
9. State
and explain Joule’s law of heating with an experiment.
10. A
source of alternating emf is connected in series with
a resistor, an inductor and a capacitor. Obtain the expressions for the
impedance and the phase difference between the current and the voltage.
11. Explain
the construction and the working of the AC generator.
12. Explain
the method of inducing an emf by changing the
orientation of the coil with respect to magnetic field.
13. Explain
the AC circuit containing the capacitor only .
14. Explain
the formation of Newton’s rings with a neat theory.
15. Derive
an equation for the bandwidth of interference fringes in Young’s double slit
experiment.
16. Explain
the different types of emission and absorption spectra.
17. Explain
the theory of plane transmission grating.
18. Explain
J.J. Thomson’s experiment to find the specific charge of an electron.
19. Explain
Millikan’s experiment to find the charge of an electron.
20. Derive
an expression for the total energy of an electron in the n th
orbit.
21. Explain
the action He – Ne laser with neat diagrams.
22. Explain
the construction and the working of Bainbridge mass spectrometer.
23. Explain
the construction and the working of the nuclear reactor with a neat diagram.
24. Explain
the altitude and the latitude effects of cosmic rays.
25. Derive
N = No e – λt .
26. Describe
the energy band structure of insulator, semiconductor and conductor.
27. Explain
an experiment to determine the characteristics of a transistor in CE
configuration. Explain how the transistor parameters can be evaluated ?
28. Explain
the working of a Colpitt’s oscillator.
29. Explain
the construction and the working of a multimeter.
30. Explain
the analysis of amplitude modulated wave.
31. Explain
the action of superhetrodyne AM receiver with the
help of a functional block diagram.
32. Explain
the function of vidicon camera tube.
33. Explain
the transmission and the reception of radar signals with the help of a block
diagram.
FAQ
1.
What is an electric dipole? Derive an expression
for the electric field due to an electric
dipole at a point on its
axial line.
2.
Explain the principle of a capacitor.
Deduce an expression for the capacitance of a parallel plate capacitor.
3.
What is dielectric? Explain the effect
of introducing a dielectric slab between the plates of a parallel plate
capacitor.
4.
State Gauss law using this find an
expression for electric field due to uniformly charged spherical shell at a
point (i)outside the shell (ii) on the surface (iii)
inside the shell.
5.
Discuss the motion of a charged particle
in a uniform magnetic field. Define magnetic Lorentz force.
6.
Describe principle, construction, and
working of a single phase Alternating Current generator.
7.
A source of alternating emf is connected to a series combination of a resistor R,
Inductor L, Capacitor C. Calculate the current, resultant voltage and the phase
angle between the current and the voltage.
8.
Discuss with theory the method of
inducing e.m.f in a coil by changing
its orientation with respect to the direction of the magnetic field.
9.
What
is known as interference? Derive an expression for band with of interference
fringes in Young’s double slit experiment.
10. Describe
the J.J Thomson method for determine the specific charge of an electron.
11. Explain
the working ruby laser with the help of energy level diagram.
12. Describe
the principle and action of a Bainbridge Mass spectrometer in determining the
isotopic masses.
13. Explain
the construction and working of a Geiger Muller counter.
14. Obtain
an expression for the amount of the radioactive substance present at any
moment. Obtain the relation between half life period and decay constant.
15. Make
the analysis of amplitude modulated wave. Plot the frequency spectrum and band
width.
16. With
the help of a functional block diagram, explain the function of a monochrome TV
receiver
17. With
the help of block diagram, explain the function of radar system.