PHYSICS EXPERIMENTS FOR CLASS 12 PDF

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NCERT is a nodal agency which is bringing out text books up to 12 classes in India The experiments cover physics part of the 8, 9 and 10 class science books. Science laboratory Manuals. Class I to VIII; Class VI to VIII; Class IX; Class X; Class IX & X; Class XI; Class XII. Mathematics. Activities for I to V(1 - 16) · Activities. brozokpulepsmen.cf~wonders/brozokpulepsmen.cf .. 12 inches. seconds. 14 inches. seconds. 16 inches. seconds. 18 inches.


Physics Experiments For Class 12 Pdf

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Physics Practical Class 12 - Important physics practicals for class 12th board Two experiments (8 + 8 marks) are asked from each section in the practical exam . The experiments are explained in a simple and systematic way: CBSE Class 12 Physics Where can I download the physics practical experiments for class 12 ( CBSE board)? . How can I download Nootan Physics Class 12 book in PDF?. Physics Practical File with Readings Class 12 CBSE Saksham, Mittal EDU RESOURCES.

Science laboratory Manuals (NCERT) Class – XI

S: For a conductor the resistance increases with increase in temperature due the decrease in relaxation time. E: Oh! What is relaxation time?

S: The average time interval between two successive collisions of electrons is called relaxation time. E: Why does the relaxation time decrease with an increase in temperature? S: Sir, as temperature increases, the collisions become more frequent and therefore the average time interval between collisions decreases. E: Define potential gradient of a potentiometer. S: The potential drop per unit length of the potentiometer wire is called potential gradient.

E: How does the sensitivity of a potentiometer vary with potential gradient? S: The sensitivity of the potentiometer decreases with an increase in potential gradient.

E: Can you explain why? Answer : Emitter current has magnitude upto 50 mA.

How does the collector current changes in a junction transistor of the base region has i large size ii large doping. The collector current shall decrease in both cases.

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Why a common emitter transistor amplier is preferred over a common base transistor amplier? Can two p-n junction diodes placed back to back work as a p-n-p transistor? Answer : No. In this device, the base region will be quite thick and highly doped.

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The base current will become equal to emitter due to neutralisation of majority carriers coming from emitter to collector. Why is the base region of a transistor made thin and lightly doped?

Answer : It is to reduce the base current and to increase both collector current and current gain. Matter waves-wave nature of particles, de-Broglie relation, Davisson-Germer experiment experimental details should be omitted; only conclusion should be explained.

Mass-energy relation, mass defect; binding energy per nucleon and its variation with mass number; nuclear fission, nuclear fusion. Unit IX: Electronic Devices 15 Periods Chapter— Semiconductor Electronics: Materials, Devices and Simple Circuits Energy bands in conductors, semiconductors and insulators qualitative ideas only Semiconductor diode — I-V characteristics in forward and reverse bias, diode as a rectifier; Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener diode and their characteristics, zener diode as a voltage regulator.

Unit X: Communication Systems 10 Periods Chapter— Communication Systems Elements of a communication system block diagram only ; bandwidth of signals speech, TV and digital data ; bandwidth of transmission medium.

Propagation of electromagnetic waves in the atmosphere, sky and space wave propagation, satellite communication.

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Need for modulation, amplitude modulation and frequency modulation, advantages of frequency modulation over amplitude modulation. Record of at least 5 Activities [with a minimum of 2 each from section A and section B], to bdemonstrated by the teachers.

The Report of the project to be carried out by the students.SlideShare Explore Search You. Visibility Others can see my Clipboard.

Therefore, with an increase in potential gradient, the sensitivity decreases. S: Sir.

Unit IX: Electronic Devices 15 Periods Chapter— Semiconductor Electronics: Materials, Devices and Simple Circuits Energy bands in conductors, semiconductors and insulators qualitative ideas only Semiconductor diode — I-V characteristics in forward and reverse bias, diode as a rectifier; Special purpose p-n junction diodes: LED, photodiode, solar cell and Zener diode and their characteristics, zener diode as a voltage regulator. S: Sir, as temperature increases, the collisions become more frequent and therefore the average time interval between collisions decreases.

Show related SlideShares at end. IN - Wednesday, June 6, - 7 Comments As per the objectives of curriculum, students studying Physics at the Higher Secondary level have to study the practical part Experimental Physics along with the theory part.

The collector current shall decrease in both cases.