Question

B.State whether the give statements are true (T) or False (F) .
1 . The sound travels the fastest in gas .
2. Lower the amplitude , higher the sound .
3.pitch is independent of the energy of the wave .
4.Wavelength is the length of wave .​

Answer 1

Explanation:

Why lyophobic sols migrate under an applied field and show Tyndall effect whereas lyophilic sols may not, why?

Answer 2

First two are false and all other are true