Download App

PHYSICS CH3 Fluids — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH3 Fluids1 Mark
Question
Why does a helium balloon float in air?
✓

Answer

Helium is much less denser than ordinary air which gives them buoyancy and thus float in air.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[ 1 mark questions ]" from PHYSICS CH3 Fluids→PHYSICS CH3 Fluids — all question types→Science STD 9 question papers→Tamilnadu Board STD 9 question papers→Tamilnadu Board question paper generator→

Similar questions

What are the uses of emulsions?
→
What is a satellite? What are the two types of satellites?
→
Define velocity.
→
Name the part of plant which shows positive geotropism. Why?
→
What is the standard unit of weight?
→
Electric force
→
Write the steps to view a Slide Show.
→
Melting or fusion
→
Reproductive organs are also considered endocrine glands.
→
Mention the excretory forms of Animal proteins.
→