Lycopodium powder is lightly sprinkled on a clean water surface in a large tray and observed using a hand lens. A red hot needle is plunged into the centre of the water surface. State and explain what is observed
Answers
Answered by
3
Answer:
hello Pls follow me
Explanation:
pls mark as a brilliant
Answered by
4
Answer:
The powder around the hot needle moves away.
Reason
- The high temperature of the needle lowers the surface tension of the water around it.
- High surface tension on the sided pits the powder away
Similar questions