Answer
Step by step text solution for Why does a needle float on clear water, but sinks when some detergent is added to water? by PHYSICS experts to help you in doubts & scoring excellent marks in Class 11 exams.
|
BINA LIBRARY-PROPERTIES OF FLUIDS-EXERCISE
- Explain why rain drops are spherical while the surface of water in a p...
05:19
|
- Why water wets glass, but not mercury?
03:01
|
- Why does a needle float on clear water, but sinks when some detergent ...
02:43
|
- Why does oil spread over the surface of water?
02:11
|
- Can two streamlins cross each other?
03:24
|
- Distinguish between streamline and turbulent flow of a liquid.
03:20
|
- Why does velocity increase when water flowing in broader pipe enters a...
03:05
|
- Why does deep water run slow?
01:49
|
- Why does a flag flutter in breeze?
03:14
|
- If a person stands near a fast moving train, there is a possibility of...
02:34
|
- A ball-bearing falling in a tall jar of motor oil attains a constant v...
04:38
|
- Water flows faster than honey-- explain the reason?
02:43
|
- A bigger rain drop falls faster than smaller one. Why ?
02:14
|
- Dust generally settles down in a closed room. Why?
02:52
|
- Machine parts are jammed in winter. Why ?
02:31
|
- Find the work done in blowing a soap bubble of surface tension 30xx10^...
03:31
|
- A drop of water 1mm radius is split into 64tiny drops. Find the increa...
04:11
|
- Calculate the energy spent in sprying a drop of mercury of 1 cm radius...
03:06
|
- In a capillary tube of diameter 10^-3m, water rises to a height of 0.0...
03:06
|
- Water rises in a capillary tube to a height 2cm. In another capillary ...
03:42
|