200000 Match Sticks Vs Chicken Experiment #shorts

A gas is evolved when Dil. Sulphuric Acid reacts with Zinc granules. It gives a pop sound when lit match stick is introduced near it. Identify the gas?

A student performs an experiment on photoelectric effect, using two materials A and B. A plot of V_(stop) vs. nu is given in fig. (i) Which material A or B has a higher work function? (ii) Given the electric charge of an electron =1.6xx10^(-19)C , find the value of h obtained from the experiment for both A and B. Comment on whether it is consistant with Eistein's theory.

Types Of Meristematic Tissue|Experiment|Plant Tissues|Simple Permanent Tissues|Parenchyma|OMR|Simple Permanent Tissues|Collenchyma|Sclerenchyma|Parenchyma VS Collenchyma VS Sclerenchyma|OMR|Summary

What might happen if you do the experiment without the smoke from the incense stick? Now try it and check if the prediction was correct. What might be happening in the above experiment in the absence of smoke particles?

In the same diagram given above, what is the minimum number of extra match sticks needed so that by adding them at suitable places, five squares can be formed ?