EXPERIMENTS AND ACTIVITIES -CBSE - KV NO.1 AFS CHAKERI KANPUR -SESSION-2020-21-PHYSICS-CLASS XII

	SN	EXPERIMENTS(OBJECTIVE)	DATE OF EXPERIMENT	DATE OF SUBMISSION	SIGNATURE
					TEACHER		PARENTS
SECTION-A	E1	To determine resistivity of two  wires by plotting a graph for potential difference versus current.
	E2	To find resistance of a given wire  using metre bridge.
	E3	To verify the laws of combination (series/parallel) of resistances using a metre bridge.
	E4	To compare the emf of two given primary cells using potentiometer.
	E5	To determine the internal resistance of given primary cell using potentiometer.
	E6	To determine resistance of a galvanometer by half-deflection method and to find its figure of merit.
SECTION-B	E7	To find the value of v for different values of u in case of a concave mirror and to find the focal length.
	E8	To find the focal length of a convex lens by plotting graphs between u and v  or between 1/u and 1/v
	E9	To find the focal length of a concave lens, using a convex lens.
	E10	To determine angle of minimum deviation for a given prism by plotting a graph between angle of incidence and angle of deviation.
	E11	To determine refractive index of a glass slab using a travelling microscope.
	E12	To draw the I-V characteristic curve of a p-n junction in forward bias and reverse bias.
	E13	To draw the characteristic curve of a Zener diode and to determine its reverse breaks down voltage
ACTIVITIES
SECTION-A	A1	To assemble a household circuit comprising three bulbs, three (on/off) switches, a fuse and a power source.
	A2	To assemble the components of a given electrical circuit.
	A3	To study the variation in potential drop with length of a wire for a steady current.
SECTION-B	A4	To identify a diode, an LED, a transistor, and IC, a resistor and a capacitor from mixed collection of such items.
	A5	To observe refraction and lateral deviation of a beam of light incident obliquely on a glass slab.
	A6	To study the nature and size of the image formed by a (i) convex lens, (ii) concave mirror, on a screen by using a candle and a screen (for different distances of the candle from the lens/mirror).