Question

i want to change my phone number.. can i but i Gave it to the 10th registration.. can i change my number​

Answer 1

Answer:

A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. While waves can move over long distances, the movement of the medium of transmission—the material—is limited. Therefore, the oscillating material does not move far from its initial equilibrium position.

can't

Answer 2

Answer:

If you have given the 10th board examination and now are in 11th then you can change your number by contacting the concerned teachers first , then to the higher authorities.

But better you not change it because it will take much time..