Question

state the following
1. Fleming left hand rule
2. modern periodic law
3. Kepler's second law​

Answer 1

Answer:

1) stretch the index finger middle finger and thumb so they as to be perpendicular to each other. In such a way index finger shows the direction of magnetic field, middle finger show the direction of current and thumb shows force on the conductor. 2) Propertie of elements are a periodic function of their atomic numbers. 3) The line joining the planet and the sun sweeps equal areas in equal intervals of time