Advertisements
Advertisements
प्रश्न
A glass stopper has got stuck in the neck of a bottle. How can you remove the stopper without breaking the bottle?
एका वाक्यात उत्तर
Advertisements
उत्तर
We should heat the neck of the bottle because due to heating the neck will expand and loosen the stopper stuck in the neck. In this way, we can easily remove the stopper.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
State the temperature of ice point on the Celsius scale.
What is the Fahrenheit scale of temperature ?
Fill in the blank:
°C is the unit of ......................
Who am I?
I make things hot or cold.
Do all substances expand on heating? Give examples.
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.

Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
Where am I?
The isotherm 0°C runs in my surroundings.
Who am I?
I connect places of equal temperature.
Why do people prefer wearing white clothes during summer?
Give reasons why –
gaps are left between railway tracks
