It is easy to burst a gas-filled balloon with a needle than with a nail. It is because –

Related MCQs

• A hydrogen balloon floats because of –
• In severe winter, in cold countries water pipes burst because –
• Water pipes in hilly areas often burst on a cold frosty night, because –
• Pipelines in cold countries often burst in winter, because –
• A needle or a pin floats on the surface of water because of –
• A solid needle placed horizon-tally on the surface of the water floats due to –
• Why the needle of iron swims on water surface when it is kept gently?
• Alcohol is more volatile than water because              is lower than water.
• Gas thermometers are more sensitive than the liquid thermometers because of the gases -
• Clear nights are colder than cloudy nights because of –