Question

how i use delta symbol in physics sir​

Answer 1

Answer:

to show difference of two things

Explanation:

for ex. delta t is the difference of given time

Answer 2

Delta symbol basically means "change"

So, you can use Delta whenever there is a change in the physical quantity.

For example:-

x1 = 6cm

x2 = 10cm

then

Deltax = 4cm

That is the change in Distance between the given two distances.

Cheers!