THIS IS A SUGGESTED LIST OF ACTIVITIES. STUDENTS SHOULD NOTE THAT THERE MAY BE VARIATIONS IN THE ACTUAL PRACTICAL SLIP.
EFFECT OF DETERGENT ON SURFACE TENSION
1. Measure the rise of water in a capillary tube, using travelling microscope.
2. Measure the rise of detergent solution in the same capillary tube.
3. Compare the heights in both cases.
4. State your conclusion from the results.
Given: Least Count of travelling microscope = 0.001 cm
-------------------------------------------------------------------------------------------------------
USE OF MULTIMETER
You are given a set of electronic components. For each component:
1. Draw the circuit symbol of each component.
2. Find the value of the resistor from its color code.
3. Measure the resistance by using a multimeter.
4. Check whether the LED and pn-junction diode are in working condition.
5. Identify the base of the transistor.
--------------------------------------------------------------------------------------------------
SIMPLE PENDULUM
1. Keep the length of the string as 150 cm.
2. Find the time taken for 10 oscillations. Hence find the time period.
3. Calculate the time (t) and measure the amplitude (A) for 5, 10, 15, 20 and 25 oscillations.
4. Plot a graph of A2 against time (t).
5. State your conclusion.
--------------------------------------------------------------------------------------------------
EFFECT OF CROSS-SECTIONAL AREA ON RATE OF LOSS OF HEAT
1. Find the least count of the thermometer.
2. Find the least count of the stop watch.
3. For the small calorimeter, note the temperature of water at interval of 1 min. Take 10 readings.
4. For the big calorimeter, note the temperature of water at interval of 1 min. Take 10 readings.
5. Plot graphs of temperature against time on the same graph paper.
6. State your conclusion.
--------------------------------------------------------------------------------------------------
EFFECT OF LOAD ON DEPRESSION AT THE CENTRE
1. Arrange the apparatus for the above activity.
2. Find the initial reading on vertical scale without loading.
3. For four (4) different loads note down the vertical scale reading while loading and unloading.
4. Plot a graph of mean depression against load.
5. State your conclusion from the graph.
--------------------------------------------------------------------------------------------------
EFFECT OF LOAD ON DEPRESSION OF METRE SCALE CLAMPED AT ITS END
1. Arrange the apparatus for the above activity.
2. Find the initial reading on vertical scale without loading.
3. For four (4) different loads note down the vertical scale reading while loading and unloading.
4. Plot a graph of mean depression against load.
5. State your conclusion from the graph.
--------------------------------------------------------------------------------------------------
EFFECT OF CROSS-SECTIONAL AREA ON RATE OF LOSS OF HEAT
1. Find the least count of the thermometer.
2. Find the least count of the stop watch.
3. For the small calorimeter, note the temperature of water at interval of 1 min. Take 10 readings.
4. For the big calorimeter, note the temperature of water at interval of 1 min. Take 10 readings.
5. Plot graphs of temperature against time, for both calorimeters, on the same graph paper.
6. State your conclusion.
--------------------------------------------------------------------------------------------------
SIMPLE PENDULUM
1. Keep the length of the string as 130 cm.
2. Find the time taken for 10 oscillations. Hence find the time period.
3. Calculate the time (t) and measure the amplitude (A) for 5, 10, 15, 20 and 25 oscillations.
4. Plot a graph of A2 against time (t).
5. State your conclusion.
--------------------------------------------------------------------------------------------------
VARIATION IN POTENTIAL DROP WITH LENGTH OF WIRE
1. Draw neat circuit diagram for the above activity.
2. Find the least count of the voltmeter.
3. For four (4) different lengths (L) of the potentiometer wire, find the voltmeter reading.
4. In each case, find the ratio of V/L
5. State your conclusion.
--------------------------------------------------------------------------------------------------
FAULT FINDING & CORRECTION IN ELECTRICAL CIRCUIT
1. Observe the following circuit diagram carefully.
-------- some circuit will be given here ------
2. Find the faults in the given circuit and state the correction required.
3. Draw the correct circuit diagram.
--------------------------------------------------------------------------------------------------
IDENTIFICATION OF ELECTRONIC COMPONENTS
You are given a set of electronic components. For each component:
1. Write the name of the component.
2. Draw the circuit symbol.
3. Write the number of terminals for each component and label the terminals.
--------------------------------------------------------------------------------------------------
USE OF MULTIMETER
You are given a set of electronic components. For each component:
1. Draw the circuit symbol of each component.
2. Find the value of the resistor from its color code.
3. Measure the resistance by using a multimeter.
4. Check whether the LED and pn-junction diode are in working condition.
5. Identify the type of the transistor.
--------------------------------------------------------------------------------------------------
VARIATION IN POTENTIAL DROP WITH LENGTH OF WIRE
1. Draw neat circuit diagram for the above activity.
2. Find the least count of the voltmeter.
3. For four (4) different lengths (L) of the potentiometer wire, find the voltmeter reading.
4. In each case, find the ratio of V/L
5. State your conclusion.
--------------------------------------------------------------------------------------------------
