The load value for interrupts every one milliseconds is

The load value for interrupts every millisecond is

However, we can only load integer values, therefore we apply

When the delay is 1 ms, it is accurate, but when the delay is 1 us, it is a little bit less. We are unable to provide an accurate 1 us delay interrupt because this requires a fractional value was calculated.
<h3>What does a SysTick timer do?</h3>
- The systick timer has an auto reload and a 24-bit countdown timer.
- An RTOS scheduler typically uses it to provide a periodic interrupt.
- The Cortex-M CPU clock is used as the default clock source for the systick timer.
To learn about more tape timer, visit:
brainly.com/question/27798869
#SPJ4
Answer: 
Explanation:
Given
Distance between two speakers is 8 m
Man is standing 12 away from the wall
When the person moves 3 parallel to the wall
the parallel distances from the speaker become 4+3, 4-3
Now, the difference of distances from the speaker is

Condition for destructive interference is

for second destructive interference; n=2

' D ' is the only correct statement on the list.
Electromagnetic waves are capable of traveling through
many substances, and they're also capable of traveling
through vacuum. Mechanical waves can't travel in vacuum.
Iron nails are attracted to the magnet
Speed =dist./time
=73.4/5
=14.68 km/hr