745.92 hz (b)
this is hte answer only because i seen it on the question lol
Answer:
60/90
Explanation:
I think because the train's highest velocity is 60 n the time is 90
Answer:
<h2>Electricity has many uses in our day to day life. It is used for lighting rooms, working fans and domestic appliances like using electric stoves, A/C and more. All these provide comfort to people. In factories, large machines are worked with the help of electricity.</h2>
Explanation:
As per Rayleigh criterion, the angular resolution is given as follows:

From this expression larger the size of aperture, smaller will be the value of angular resolution and hence, better will be the device i.e. precision for distinguishing two points at very high angular difference is higher.
Answer:
The answer is C.
Explanation:
I guessed and it was right