Draw a graph showing the variation of de-Broglie.s wavelength `(lambda)` with accelerating potential (V).

Draw a graph showing the variation of resistivity with temperature for a semiconductor.

Draw a graph showing the variation of charge stored in a capacitor with its potential. How will you calculate the energy stored in the capacitor using the above grah?

draw a graph showing the variation of volume of a given mass of water with temperature from 0°C . In the graph mark the temperature at which water has maximum density.

Draw a graph showing the variation of stopping potential with frequency of incident radiation Mark the threshold frequency in the figure.