 # ICSE Class 10 Physics Experiments

ICSE Class 10 Physics experiments will help students visualize the concepts of Physics. The practical exam for Physics Class 10 consists of 20 marks. The Physics practical syllabus consists of various interesting experiments, which are also essential for their ICSE Class 10 practical exam. The list of experiments for Physics is given below to help students while preparing for their exam.

Students are suggested to study the theory and law behind the experiment meticulously before performing the experiment. They should revise their practical notes before their examination. Students should try out each experiment at least once at the Physics laboratory by following the procedure mentioned in the lab manual in their school, to acquire the necessary skills set for the examination.

### ICSE Class 10 Physics Practical Syllabus

Physics Experiments for Class 10 ICSE are developed to prove the Physics principle. So, students should remember the basic principles before performing a particular experiment. Before doing an experiment student should read the complete theory behind the experiment. It will help them to conduct the experiment confidently and precisely.

#### List of experiments for ICSE Class 10 Physics Practical

Lever – There are many possibilities with a meter rule as a lever with a load (known or unknown) suspended from a point near one end (say left), the lever itself pivoted on a knife-edgeuse slotted weights suspended from the other (right) side for effort.

Determine the mass of a metre rule using a spring balance or by balancing it on a knife-edget some point away from the middle and a 50g weight on the other side. Next pivot (F) the metre rule at the 40cm, 50cm and 60cm mark, each time suspending a load L or the left end and effort E near the right end. Adjust E and or its position so that the rule is balanced. Tabulate the position of L, F and E and the magnitudes of L and E and the distances of load arm and effort arm. Calculate MA=L/E and VR = effort arm/load arm. It will be found that MA VR in the third case. Try to explain why this is so. Also try to calculate the real load and real effort in these cases.

2. Determine the VR and MA of a given pulley system.

3. Trace the course of different rays of light refracting through a rectangular glass slab at different angles of incidence, measure the angles of incidence, refraction and emergence. Also measure the lateral displacement.

4. Determine the focal length of a convex lens by (a) the distant object method and (b) using a needle and a plane mirror.

5. Determine the focal length of a convex lens by using two pins and formula f = uv/(u+v).

6. For a triangular prism, trace the course of rays passing through it, measure angles i1, i2, A and δ. Repeat for four different angles of incidence (say i1=40o , 50o , 600o and 7000 ). Verify i1+ i2=A+δ and A = r1 + r2 .

7. For a ray of light incident normally (i1=0) on one face of a prism, trace course of the ray. Measure the angle δ. Explain briefly. Do this for prisms with A=60o , 45o and 90o . 8. Calculate the sp. heat of the material of the given calorimeter, from the temperature readings and masses of cold water, warm water and its mixture taken in the calorimeter.

### Evaluation of ICSE Class 10 Physics Practical Exam

The practical work/project work are to be evaluated by the subject teacher and by an External Examiner. The Internal Examiner and the External Examiner will assess the practical work/project work independently.

 Award of Marks 20 marks Subject Teacher (Internal Examiner) 10 marks External Examiner 10 marks

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