12th Physics Important 5 Marks Questions Unit wise

12th Physics Important 5 Marks Questions Unit wise

+2 Physics 5 Marks Question Bank

UNIT 1 – Electrostatics

1. Calculate the electric field due to a dipole on its axial line.
2. Calculate the electric field due to a dipole on its equatorial line.
3. Derive the expression for electrostatic potential due to electric dipole.
4. Obtain the expression for electric field due to infinitely long charged wire.
5. Derive the resultant capacitance for capacitors in series and parallel.
6. Explain the construction and working of Van de Graaff generator.

UNIT 2 – Current Electricity

1. Obtain macroscopic form of Ohm’s law from microscopic form.
2. Explain equivalent resistance of series and parallel resistor network.
3. Explain determination of internal resistance using voltmeter.
4. Obtain condition for bridge balance in Wheatstone bridge.
5. Explain comparison of emf using potentiometer.

UNIT 3 – Magnetism

1. Magnetic induction on axial line of bar magnet.
2. Magnetic induction on equatorial line of bar magnet.
3. Magnetic induction due to infinitely long conductor.
4. Magnetic induction along axis of circular coil.
5. Explain principle, construction and working of Cyclotron.
6. Force on current carrying conductor in magnetic field.
7. Force between two parallel conductors. Define ampere.

UNIT 4 – Electromagnetic Induction

1. Show rotation of coil induces alternating emf.
2. Explain working of single phase AC generator.
3. Explain principle, construction and working of transformer.
4. Derive phase angle in series RLC circuit.
5. Show mutual inductance M12 = M21.

UNIT 5 – Electromagnetic Waves

1. Write Maxwell equations in integral form.
2. Explain emission spectra.
3. Explain absorption spectra.

UNIT 6 – Ray Optics

1. Derive mirror equation and magnification.
2. Explain Fizeau’s method to determine speed of light.
3. Obtain lens maker formula.
4. Derive angle of deviation for prism.
5. Obtain dispersive power equation.

UNIT 7 – Wave Optics

1. Resultant intensity due to interference of light.
2. Derive bandwidth in Young's double slit experiment.
3. Discuss diffraction and condition for maxima.
4. Explain simple microscope and magnification equations.

UNIT 8 – Photoelectric Effect

1. Obtain Einstein’s photoelectric equation.
2. Explain construction and working of photoelectric cell.
3. Describe Davisson-Germer experiment.
4. Explain principle and working of electron microscope.

UNIT 9 – Atomic Physics

1. Explain J.J Thomson experiment.
2. Explain Millikan oil drop experiment.
3. Derive radius of nth orbit in Bohr model.
4. Explain spectral series of hydrogen.
5. Obtain radioactive decay law.
6. Explain nuclear reactor with diagram.

UNIT 10 – Electronics

1. Explain construction and working of full wave rectifier.
2. Explain construction and working of half wave rectifier.
3. Zener diode as voltage regulator.
4. State and prove De Morgan’s theorems.

UNIT 11 – Nanoscience

1. Explain nanostructures in nature with examples.

Akwa Academy | +2 Physics 5 Marks Question Bank