CBSE Class 12 Physics Worksheet Set F

Physics
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Read and download free pdf of CBSE Class 12 Physics Worksheet Set F. Download printable Physics Class 12 Worksheets in pdf format, CBSE Class 12 Physics All Chapters Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Physics Class 12 Assignments and practice them daily to get better marks in tests and exams for Class 12. Free chapter wise worksheets with answers have been designed by Class 12 teachers as per latest examination pattern

All Chapters Physics Worksheet for Class 12

Class 12 Physics students should refer to the following printable worksheet in Pdf in Class 12. This test paper with questions and solutions for Class 12 Physics will be very useful for tests and exams and help you to score better marks

Class 12 Physics All Chapters Worksheet Pdf

“An education isn't how much you have committed to memory, or even how much you know. It's being able to differentiate between what you know and what you don't.”
Anatole France
 
ELECTROSTATICS
 
1 In a parallel plate capacitor the capacitance increases from 16μF to 80μF on introducing a dielectric medium between the plates. What is the dielectric constant of the medium ?
K = Cm/Ca = 80/16 = 5
 
2 The force between two point charges kept at a distance of r apart is F. If the same charges are kept in water at the same distance, how does the force between them change?
Fa/Fw = K , Fw/Fa = 1/K =1/81
 
3 Under what conditions The electric field intensity due to two point charges be zero at a point in the line joining the two charges but the point should not be between the charges ?
The two charges should be of opposite charges and they should have different magnitudes.
 
4 How much work is done in moving a 500μC of charge between two points on a spherical Surface at a potential of 4V?
Zero. Work done in moving a charge along an equi potential surface is zero .
 
5 If the plates of a parallel plate capacitor are connected to each other by a copper wire, what will happen?
The charge will flow from positive to negative plate and the capacitor will be discharged completely. So the energy stored is dissipated as heat energy.
 
6 A very thin metal plate of thickness t << d is kept in the middle of a parallel plate capacitor .
What will be the effect on the capacitance of the system?
No change in the capacitance.
 
7 A 12pF capacitor is connected to a 50V supply. Calculate the electrostatic energy stored in
the capacitor.
U = ½ CV2 = ½ x 12 x 10-12 x 2500 =1.5 x10-8J
 
8 Define equi potential surface. Can two equi potential surfaces intersect?
If all the points on a surface are at the same potential such a surface is equi potential surface.
Two equi potential surfaces cannot intersect if they intersect , two electric field lines must intersect which is not possible.
 
9 Define dielectric field strength .
It is the maximum electric field strength a medium can withstand before break down.
 
10 The plates of a charged parallel plate capacitor are connected to a volt meter , what will be the effect of increasing the separation between the plates on the voltmeter reading?
Voltmeter reading increases.
 
11 How does the electric field inside a dielectric change when it is placed in an external electric field?
It decreases as the induced electric field is opposite to the applied field. Net electric field decreases.
 
12 The energy stored in a capacitor of capacitance C is U ,Express the charge Q stored in it in terms of
C and U.
Q= (2CU)1/2
 
13 What is the function of dielectric in a capacitor?
It increases the capacitance by reducing the effective potential difference between the plates.It increases the mechanical strength of capacitor.
 
14 A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V.What is the potential at the centre of the sphere?
10 V. Potential inside a hollow metal surface is equal to its potential on the surface.
 
15 Can there be a potential difference between two adjacent conductors carrying the same charge?
Yes , if their sizes are different.
 
16 What is the geometrical shape of equi potential surfaces due to a single isolated charge?
Spherical for q>0 and q<0.
 
17 Name a Physical quantity whose SI unit is i) J/C ii) J /m3 iii) Volt /m .
State whether it is a scalar or vector quantity?
i) electric potential – scalar ii) energy density – scalar iii) electric field strength – vector
 
18 What is the dielectric constant of a metal?
Infinity , as the electric field inside a conductor (metal ) is zero
 
19 Why is the potential inside and on the surface of hollow conducting sphere same and remains constant?
dV = -E.dl since electric field inside the conductor is zero dV = 0 V is constant.
 
20 State the differences between electric potential at a point due to a single point charge and an electric dipole.
CBSE Class 12 Physics Worksheet Set F 1
 
21 State a similarity and a difference between the mass and charge of a particle.
Similarity : both are scalars
Differences:
Only charge is quantised ,mass is not quantised .
charge can be negative ,positive and zero but mass is a positive quantity.


Please click on below link to download CBSE Class 12 Physics Worksheet Set F

Chapter 01 Electric Charges And Fields
CBSE Class 12 Physics Electric Charges and Fields Worksheet Set A
CBSE Class 12 Physics Electric Charges and Fields Worksheet Set B
CBSE Class 12 Physics Electric Charges And Fields Worksheet Set C
CBSE Class 12 Physics Electric Charges And Fields Worksheet Set D
CBSE Class 12 Physics Electric Charges And Fields Worksheet Set E
Chapter 02 Electrostatic Potential and Capacitance
CBSE Class 12 Physics Electrostatic Potential and Capacitance Worksheet Set A
CBSE Class 12 Physics Electrostatic Potential and Capacitance Worksheet Set B
CBSE Class 12 Physics Electrostatic Potential And Capacitance Worksheet Set C
CBSE Class 12 Physics Electrostatic Potential And Capacitance Worksheet Set D
CBSE Class 12 Physics Electrostatic Potential And Capacitance Worksheet Set E
Chapter 03 Current Electricity
CBSE Class 12 Physics Current Electricity Worksheet Set A
CBSE Class 12 Physics Current Electricity Worksheet Set B
CBSE Class 12 Physics Current Electricity Worksheet Set C
CBSE Class 12 Physics Current Electricity Worksheet Set D
Chapter 04 Moving Charges and Magnetism
CBSE Class 12 Physics Magnetic Effects of Electric Current And Magnetism Worksheet
CBSE Class 12 Physics Magnetism and Matter Worksheet Set A
CBSE Class 12 Physics Moving Charges And Magnetic Force Worksheet
CBSE Class 12 Physics Moving Charges and Magnetism Worksheet Set A
CBSE Class 12 Physics Moving Charges and Magnetism Worksheet Set B
CBSE Class 12 Physics Moving Charges And Magnetism Worksheet Set C
Chapter 06 Electromagnetic Induction
CBSE Class 12 Physics Electromagnetic Induction And Alternating Current Worksheet Set A
CBSE Class 12 Physics Electromagnetic Induction And Alternating Current Worksheet Set B
CBSE Class 12 Physics Electromagnetic Induction Worksheet Set A
CBSE Class 12 Physics Electromagnetic Induction Worksheet Set B
Chapter 07 Alternating Current
CBSE Class 12 Physics Alternating Current Worksheet Set A
CBSE Class 12 Physics Alternating Current Worksheet Set B
Chapter 08 Electromagnetic Waves
CBSE Class 12 Physics Electromagnetic Waves Worksheet
Chapter 09 Ray Optics and Optical Instruments
CBSE Class 12 Physics Ray Optics and Optical Instruments Worksheet Set A
CBSE Class 12 Physics Ray Optics and Optical Instruments Worksheet Set B
CBSE Class 12 Physics Ray Optics And Optical Instruments Worksheet Set C
CBSE Class 12 Physics Ray Optics And Wave Optics Worksheet
CBSE Class 12 Physics Semiconductor Electronics Worksheet Set A
Chapter 10 Wave Optics
CBSE Class 12 Physics Wave Optics Worksheet
CBSE Class 12 Physics Wave Optics Worksheet Set A
Chapter 11 Dual Nature of Radiation and Matter
CBSE Class 12 Physics Dual Nature of Radiation and Matter Worksheet
CBSE Class 12 Physics Dual Nature of Radiation and Matter Worksheet Set A
CBSE Class 12 Physics Dual Nature of Radiation Worksheet Set A
CBSE Class 12 Physics Rapid Revision Question Bank Set B
Chapter 12 Atoms
CBSE Class 12 Physics Atoms And Nuclei Worksheet
CBSE Class 12 Physics Atoms Worksheet Set A
Chapter 13 Nuclei
CBSE Class 12 Physics Nuclei Worksheet
Chapter 14 Semiconductor Electronics Materials Devices and Simple Circuits
CBSE Class 12 Physics Semiconductor Devices And Communication System Worksheet
CBSE Class 12 Physics Semiconductor Materials Device And Simple Worksheet
z More Worksheets for Class 12 Physics
CBSE Class 12 Physics Graphical Question Bank
CBSE Class 12 Physics Gravitation Worksheet Set A
CBSE Class 12 Physics Gravitation Worksheet Set B
CBSE Class 12 Physics Important Formule Worksheet
CBSE Class 12 Physics Rapid Revision Question Bank
CBSE Class 12 Physics Worksheet Set A Solved
CBSE Class 12 Physics Worksheet Set B Solved
CBSE Class 12 Physics Worksheet Set C Solved
CBSE Class 12 Physics Worksheet Set D
CBSE Class 12 Physics Worksheet Set E
CBSE Class 12 Physics Worksheet Set F

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CBSE Class 12 Physics All Chapters Worksheet

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Worksheet for Physics CBSE Class 12 All Chapters

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All Chapters worksheet Physics CBSE Class 12

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All Chapters CBSE Class 12 Physics Worksheet

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