CBSE Class 12 Physics Revision Assignment Set C

1. What is dielectric strength of a medium? Give its value for vacuum.  2. What is the physical importance of the line integral of an electrostatic field?  3. What is the work done in moving a test charge q through a distance of 1 cm along the equatorial axis of an…

CBSE Class 12 Physics Revision Assignment Set B

1. State Coulomb’s law and write its vector form. 2. Calculate no. of electrons that will form 1 coulomb charge. (e- = 1.6X 10-19C) 3. How will you charge a neutral body with a negative charge if you have a positively charged body? What is the name of the process? How many…

CBSE Class 12 Physics Revision Assignment Set K

CH -1 Electric charge and Fields 1. ‘Electric charge is quantized’. What is meant by this statement? 2. Define the term electric dipole moment. Is it scalar or vector? 3. Write the SI unit of electric flux. 4. Why no two electric lines of force can intersect each other. 5.…

CBSE Class 12 Physics Revision Assignment Set J

  Q1. In the adjoining graph θ is the angle of scattering and N is no. of α particles scattered in Rutherford’s expt. Explain the graph. Q2. Define impact parameter. Q3.Calculate the distance of closest approach of an α particle to a nucleus having charge +ze. Q4.…

CBSE Class 12 Physics Revision Assignment Set I

Q1. What is the equivalent resistance between points A and B of the circuit shown. Q2.If each resistance in the circuit is of 5Ω each then calculate effective resistance between points A and B. If a battery of 2V, 1Ω internal resistance is connected across points A and B then…

CBSE Class 12 Physics Revision Assignment Set H

1. Define resistivity. State its unit. 2. A wire is not connected to a battery. Does it possess charge? Do electrons in it have velocity? This wire is now connected to a battery, do electrons have velocity? What is the direction of their velocity?What is the direction of…

CBSE Class 12 Physics Revision Assignment Set G

  1. Draw a ray diagram to show image formation of a point object placed in front of a plane mirror. 2. Write nature of the image formed. 3. Define virtual image and state its properties. 4. While drawing ray diagram did you use 1st law of reflection ?Did you use 2nd…

CBSE Class 12 Physics Revision Assignment Set F

Q1. When a parallel beam of light rays fall on a rough surface, it scatters in all directions. Does it mean that the beam does not obey laws of reflection? Explain briefly. Q2. You can see clearly in a room during day time even when no sunbeam is reaching the room.…

CBSE Class 12 Physics Revision Assignment Set E

Q.1 An electrostatic field line cannot be discontinuous. Why? Q.2 Fig. shows three point charges +2q, -q and +3q. Two charges +2q and –q are enclosed within the surface ‘S’. What is the electric flux due to this configuration through the surface S? Q.3 A parallel plate…

CBSE Class 12 Physics Revision Assignment Set D

1. What are the elements of earth magnetic field at a place? 2. a) Differentiate between dia, para, ferro magnetic substance with two examples each. b) Draw susceptibility versus temperature graph. 3. What is displacement current? Derive its value from Maxwell – Ampere…

CBSE Class 12 Physics Revision Assignment Set A

    Please click the link below to download CBSE Class 12 Physics Revision Assignment Set 

CBSE Class 12 Physics Optics Formulae Assignment

CBSE Class 12 Physics Optics Formulae Assignment. Students are advised to refer to the attached assignments and practise them regularly. This will help them to identify their weak areas and will help them to score better in examination. Parents should download and give the…

CBSE Class 12 Physics Nuclei Assignment

 Important Questions for NCERT Class 12 Physics Nuclei  Question. Nucleus of an atom whose atomic mass is 24 consists of (a) 11 electrons, 11 protons and 13 neutrons (b) 11 electrons, 13 protons and 11 neutrons (c) 11 protons and 13 neutrons (d) 11 protons and…

CBSE Class 12 Physics Moving Charges And Magnetism Assignment

1. A narrow stream of protons and deuterons, having the same momentum values, enter a region of uniform magnetic field directed perpendicular to their common direction of motion. What would be the ratio of the radii of the circular paths described by the protons and…

CBSE Class 12 Physics Electrostatistics Assignment

ELECTRIC POTENTIAL & CAPACITORS Question. A capacitor of capacitance C has a charge Q and stored energy W. If the charge is increased to 2Q, the stored energy will be (a) 𝑊/4 (b) 𝑊/2 (c) 2W (d) 4W Answer. D Question. A battery is used to charge a capacitor till the…