|
Explain why?The angle of contact of mercury with glass is obtuse
|
|
1
|
5220
|
December 24, 2016
|
|
Two mercury droplets of radii 0.1 cm and 0.2 cm
|
|
1
|
2719
|
December 24, 2016
|
|
A liquid drop breaks into 27 small drops
|
|
1
|
7857
|
December 24, 2016
|
|
Iceberg floats in water with part of it submerged
|
|
1
|
3085
|
December 24, 2016
|
|
Does surface tension alone account for the supply of water to the top of all trees?
|
|
1
|
1093
|
December 24, 2016
|
|
Explain why? The blood pressure in humans is greater at the feet than the brain
|
|
1
|
5386
|
December 24, 2016
|
|
A U-tube contains water and methylated spirit separated by mercury
|
|
1
|
5523
|
December 24, 2016
|
|
Compute the force necessary to keep the door close
|
|
1
|
825
|
December 24, 2016
|
|
Why do the vessels filled with water to that same height give different readings on a weighing scale?
|
|
1
|
1814
|
December 24, 2016
|
|
What maximum pressure would the smaller piston have to bear?
|
|
1
|
785
|
December 24, 2016
|
|
If the required pressure in the tyre of a car
|
|
1
|
3606
|
December 24, 2016
|
|
A container of area 0.02 ${{m}^{2}}$ is 'filled with water
|
|
1
|
2798
|
December 24, 2016
|
|
What is the pressure on a swimmer 10 m below the surface of a lake
|
|
0
|
1918
|
December 23, 2016
|
|
A balloon with hydrogen in it rises up
|
|
1
|
1427
|
December 23, 2016
|
|
A 50 kg girl wearing high heels, shoes balances on a single heel
|
|
1
|
1487
|
December 23, 2016
|