PHYSICS EXPERIMENTS |

**1.To determine the focal length of convex lens by shift method & radii of curvature by Boy's**

**method**

**& refractive index of convex lens at least 4 trials**

**2.To Verify Ohm’s law and the law of combination of resistors in parallel method[at least 4 trials]**

**3. Determine the resistivity of the material of the given wire using meter bridge (At least 4 trials for**

**finding resistance).Length of the wire = 1.5 mtr**

**4.Determine the temperature coefficient of resistance of the thermistor using a meter bridge.**

**[ at least**

**4 trials]**

**5.Determine the current sensitivity of the given pointer galvanometer .Take at least three sets**

**readings.**

**6. Determine the self-inductance of the given coil by direct method. Take at least three sets of**

**readings. Frequency of AC = 50 Hz**

**7. Determine “ BH “ at the given place using tangent galvanometer. Take at least three sets**

**of readings.**

**Circumference of the TG coil = 50 Cm.**

**8. Determine the specific heat of the given liquid by electrical method. specific heat of the material**

**of the calorimeter c=385J/kg-k.**

**9. Draw the characteristics of the given semi-conductor diode and calculate its forward**

**resistanc &**

**Knee voltage.**

**10.To convert galvanometer into a voltmeter of given range .sensitivity of the galvanometer=1.5x**

**10 –5A/div The Resistance of galvanometer = 95Ω**

**Voltmeter range = 2 Volts**

**11.To determine the internal resistance of a cell using potentiometer at least 4 trials.**

**12 To determine dispersive power of material of a prism for blue &green colour using spectometer.**

**Angle of prism a =60degree**

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