There is a copper ball of 1kg and foam of same weight. Which has higher volume?
Copper
foam
Both have equal volume
None of the above
The unit volume occupied by foam is more than that of copper, so foam occupies more volume (less denser) than copper of same weight.
Which of the electrodes is at a higher potential in a voltaic cell using copper and zinc rods as electrodes and dilute H2SO4 as an electrolyte?
there are two balls of 50kg and 10kg. They both are dropped of same height. They both are spherical iron balls(volumes are not same). air resistance is there. which ball will reach the ground first and why?