FYJC Science - Physics 

MAIN PRACTICALS

USE OF VERNIER CALLIPER TO FIND THE VOLUME OF A CYLINDER

	You are given a vernier calliper.	8
1	Find the least count of this instrument.
2	Take three readings to find the diameter of the given cylinder.
3	Take three readings to find the height of the given cylinder.
4	State the formula for volume of a cylinder.
5	Calculate the volume of the given cylinder.
6	State the precautions you will take while performing this experiment.

USE OF MICROMETER SCREW GAUGE TO FIND THE THICKNESS OF A GLASS PLATE

	You are given a micrometer screw gauge.	8
1	Find the least count of this instrument.
2	Take three readings to find the thickness of the given glass plate.
3	Find the average thickness of the glass plate.
4	State the precautions you will take while performing this experiment.

USE OF MICROMETER SCREW GAUGE TO FIND THE DIAMETER OF A WIRE

	You are given a micrometer screw gauge.	8
1	Find the least count of this instrument.
2	Take three readings to find the diameter of the given wire.
3	Hence find the radius of the wire.
4	State the precautions you will take while performing this experiment.

USE OF SPHEROMETER TO FIND THE RADIUS OF CURVATURE OF A SPHERICAL SURFACE

	You are given a spherometer.	8
1	Find the least count of this instrument.
2	Find the average distance between the legs of the spherometer.
3	Take three readings for the plane surface.
4	Take three readings for the spherical surface.
5	State the formula for radius of curvature of the given surface.
6	Calculate the radius of curvature of the spherical surface.
7	State the precautions you will take while performing this experiment.

COEFFICIENT OF STATIC FRICTION

	You are given the apparatus to find the coefficient of static friction between two surfaces.	8
1	By varying the weight on the block, take three different readings.
2	State the formula for coefficient of static friction.
3	Calculate the coefficient of static friction between the two surfaces.
4	State the precautions you will take while performing this experiment.

ANGLE OF MINIMUM DEVIATION

	Use the given apparatus to find the angle of minimum deviation. Given, angle of prism (A) = 60 degrees	8
1	Draw a neat ray diagram for this experiment.
2	For angles of incidence 35 degrees  40 degrees,  45 degrees,  50 degrees,  and 55 degrees, find the angle of deviation.
3	Plot a graph of angle of deviation against angle of incidence.
4	Hence find the angle of minimum deviation.
5	State the precautions you will take while performing this experiment.

OHM’s LAW

      1.            Draw the circuit diagram to verify Ohm’s Law.                                                               8

      2.            Find the voltage ‘V’ across the resistance ‘R’ four different value of ‘I’ Calculate the resistance ‘R’ in each case.

      3.            Find the mean value of ‘R’. Note the length of the wire Hence determine the resistance of the given wire.

OHM’S LAW                                                                                                                             8

1.     Draw the circuit diagram to verify Ohm’s Law.

2.     Find the voltage ‘v’ across the resistance ‘R’ for four different values of current ‘I’.

3.     Plot the graph of potential difference ‘V’ versus current ‘I’.

4.     Hence determine the resistance ‘R’ the given wire. Note the value of length of wire.

5.     Determine the resistance per cm of given wire.

TRAVELLING MICROSOCOPE

	Use the given travelling microscope to find the refractive index of glass.	8
1	Draw a neat ray diagram for this experiment.
2	Find the least count of the instrument.
3	Find the real depth and apparent depth; take two readings.
4	State the formula for refractive index in terms of real depth and apparent depth.
5	Hence calculate the refractive index of glass.
6	State the precautions you will take while performing this experiment.

REFRACTIVE INDEX OF A LIQUID BY A CONCAVE MIRROR

	Determine the refractive index of water using a concave mirror.	8
1	Draw a neat ray diagram for this experiment.
2	Take three readings for R and R’.
3	Hence calculate mean R and mean R’.
4	State the formula for refractive index.
5	Hence calculate the refractive index of water.
6	State the precautions you will take while performing this experiment.

RESISTANCE PER CENTIMETER OF WIRE BY OHM’S LAW                                8                                                                                         

1.     Draw the circuit diagram to find the resistance per centimeter of wire by Ohm’s Law.

2.     Measure potential difference (V) and current (I) for the lengths 20cm, 40 cm, 60cm and 80cm of wire.  

3.     Find the resistance(R) and resistance per centimeter (ρ) of wire for the length 20cm, 40 cm, 60cm and 80cm of wire.

4.     Plot the graph of current (I) versus potential difference (V).

5.     Hence determine the resistance(R) and resistance per centimeter (ρ) of wire.