Calculate the atomicity of the following. (a) F2 (b) NO2 (c) CO2-3 (d) C,H, (e) co (f) H.O​

Answer:

The phenomenon of beats is employed in various ways. For example, in the tuning of instruments, if a tuning fork and piano key of the same note are struck simultaneously and no beat is heard, then they are of identical pitch.

Answer) i. The phenomenon of beats is used for matching the frequencies of different musical instruments by artists.

ii. The speed of an aeroplane can be determined by using Doppler RADAR. The phenomenon of beats, arising due to the difference in frequencies produced by the source and received at the source after reflection from the aeroplane, allows us to calculate the velocity of the aeroplane.

iii. Doppler ultrasonography and echocardiogram works on the principle of the phenomenon of beats.

iv. The unknown frequency of a sound note can be determined by using the phenomenon of beats.

Answer:

i doing it rn (●´⌓`●)

Explanation:

One of the most useful use of expansion by heat is for swiches onmany tyes of machinery and home appliancesThemostats in the millions of cars are poerated by using the eaxpansion of metal Themometers arre Bimetallic strips are used to trigger alarms or switch off heating. With heat one metal expands faster than the other which causes the strips to bend and break a circuit The disadvatages are just as common Railway lines need free movement d will buckle without sufficient clearance. Internal combustion engines need to be designed to allow for expansion contraction of metal parts It can be a nuisance for architects because when they build metal structures, they need to allow space for the metal to expand during hot weather.

Answer:

I study at night! (because exams near duh)

Explanation:

why my answer deleted

translation:

I will ask

Answer:

1. (c) they nibble things

2. (d) the household things

3. (c) their beautiful looks