Science, asked by aqah413, 1 year ago

can any one as me who to make sound ,touch ,Lazar alarm for nevikana and in what things it is use ful​

Answers

Answered by Narendrabora85
0

Answer:

you can use sensors for this purpose

Answered by Vyomsingh
0

Answer:lazer alarm simply work as mobile sensor in which our touch open the mobile.a same as in lazer there are reflection point at different convent place if lazer can't reached there it began to make sound

Explanation:

Similar questions