Question
Why is the candle flame straight?
✓
Answer
A candle flame is caused by vapour burning above the candle. This burning vapour is hotter than the surrounding air and is therefore less dense. So, by the principle of convection, it “rises” so the flame is always upwards
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write a note on artificial satellites.
Complete the table
What do you mean by magnetic effect?
Write the types of vector Graphics files.
What is atomicity of elements?
Why danger lights in vehicles are red in colour?
Explain about five kingdom classification
What are the uses of laboratory thermometers?
Define velocity Mention its formula and unit.
A plane mirror forms a virtual image. The distance between Maria and her image in a plane mirror is 10 m. How much distance should she move in order to get the distance of 5 m between herself and her image?