Answer:True
Explanation:
We know that frequency in a tight string is given by
where 
and velocity is given by
As 
increases v also increase but wavelength 
remain same because ends of string are fixed.
Answer:
you need to give the answers choices
Explanation:
Answer: leftover radiation from the big bang
Microwave background radiation is a form of electromagnetic radiation that is present in the whole universe and completely fills it.
Its frequency belongs to the microwaves range and is one of the main demonstrations of the of the Big Bang theory model.
It is important to note the Big Bang occurred 400,000 years before the events related to the microwave cosmic radiation, this means the Big Bang occurred first.
Answer:
D: Water is polar, so it can form attractions to and pull apart molecules of many types of substances.
Explanation:
Water is an excellent solvent simply because its polar water molecules usually form hydrogen bonds with ions and polar molecules, thereby allowing the ionic and polar covalent compounds to easily disperse easily in water.
Thus, the correct option is; D
HEY mate here your answer
p waves travel at the greatest speed and these waves can travel at solid and liquid also. p waves means primary waves.
