Experimental Skills – Syllabus Overview

Syllabus for JEE Main 2020

Familiarity with the basic approach and observations of the experiments and activities:

1. Vernier calipers – its use to measure the internal and external diameter and depth of a vessel.

2. Screw gauge – its use to determine thickness / diameter of thin sheet / wire.

3. Simple Pendulum – dissipation of energy by plotting a graph between square of amplitude and time.

4. Metre Scale – mass of a given object by the principle of moments.

5. Young’s modulus of elasticity of the material of a metallic wire.

6. Surface tension of water by capillary rise and effect of detergents.

7. Co-efficient of Viscosity of a given viscous liquid by measuring terminal velocity of a given spherical body.

8. Plotting a cooling curve for the relationship between the temperature of a hot body and time.

9. Speed of sound in air at room temperature using a resonance tube.

10. Specific heat capacity of a given (i) solid and (ii) liquid by the method of mixtures.

11. Resistivity of the material of a given wire using metre bridge.

12. Resistance of a given wire using Ohm’s law.

13. Potentiometer –

  • Comparison of emf of two primary cells.
  • Determination of internal resistance of a cell.

14. Resistance and figure of merit of a galvanometer by half deflection method.

15. The focal length of:

  • Convex mirror
  • A concave mirror, and
  • Convex lens

using the parallax method.

16. The plot of angle of deviation vs angle of incidence for a triangular prism.

17. Refractive index of a glass slab using a travelling microscope.

18. Characteristic curves of a p-n junction diode in forward and reverse bias.

19. Characteristic curves of a Zener diode and finding reverse break down voltage.

20. Characteristic curves of a transistor and finding current gain and voltage gain.

21. Identification of Diode, LED, Transistor, IC, Resistor, Capacitor from a mixed collection of such items.

22. Using multimeter to:

  • Identify base of a transistor
  • Distinguish between npn and pnp type transistor
  • See the unidirectional flow of current in case of a diode and an LED.
  • Check the correctness or otherwise of a given electronic component (diode, transistor or IC).

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