Find out the uses of lenses in our day to day life and record them in a science diary.

Find out the practical applications of total internal reflection in our day to day life . Medical field - Endoscope , In the field of communication - Optical fibre cables.

Biogas is a terminology that we hear in our day to day life. Name the gases produced in biogas plant.

Biogas is a terminology that we hear in our day to day life. Name the gases produced in biogas plant.

Inductors are not used in DC circuits .Find out the reason and write it down in the science diary.