practical - vikas pre university college · 5 physics practical 2 lab manual v-i v-i. vikas...
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CY OTI LS LER GE EVI MNU A- NE GR
AP LS UA RKI U
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PHYSICSPRACTICAL 2
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LAB MANUAL
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PHYSICSPRACTICAL 2
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Index1. RESISTANCE PER UNIT LENGTH 3
2. RESISTIVITY OF THE MATERIAL OF A WIRE 7
3. COMBINATION OF RESISTANCE IN SERIES 11
4. COMBINATION OF RESISTANCE IN PARALLEL 14
5. COMPARISON OF EMFs OF TWO CELLS 17
6. INTERNAL RESISTANCE OF A CELL 20
7. CONVERSION OF GALVANOMETER INTO VOLTMETER 23
8. FIGURE OF MERIT OF A GALVANOMETER 26
9. FREQUENCY OF A.C. USING SONOMETER 29
10. FOCAL LENGTH OF A CONCAVE MIRROR 32
11. FOCAL LENGTH OF A CONVEX LENS 35
12. REFRACTIVE INDEX OF GLASS 38
13. FORWARD BIAS CHARACTERISTIC O SEMICONDUCTOR DIODE 41
14. ZENER DIODE CHARACTERISTICS 45
15. CONVERSION OF GALVANOMETER INTO AMMETER 49
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Result:
2.
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V-I
V-I
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I-V
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Result:
2.
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Rs
S
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a
combination.
combination.
Inference:
series combination of s
series
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S
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combination of s
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What happens to
varies
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Experiment-8
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(
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detect the presence of current.
the
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x slope
Slope is
Experiment-9
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1. Light from distant object (like a tree) is incident on concave mirror. The distance between screen and mirror is adjusted to get a clear image on screen. The distance between mirror and screen is pproximate focal length of mirror.
2.
3. An inverted image of object pin is observed, by suitable adjustment of distance betweenmirror and screen.
4. screen
5.
6.
Experiment-10
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P1
P2
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from this point to
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1. Light from distant object (like a tree) is incident on convex lens. The distance between screen and lens is adjusted to get a clear image on screen. The distance between lens and screen is approximate focal length of lens.
3. An inverted image of object pin is observed, by suitable adjustment of distance between lens and screen.
4. screen Lens
5.
6.
7.
8. Focal length
Experiment-11
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from
to
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Experiment no 13
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Experiment-14
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Note
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