Solve this:
Write the symbols of (i) Lead (ii) Boron
Dear Student
Please post different questions in different threads.
Answer of you question 4 is given below
As the speed of sound is faster in summer than winter so we cannot heard echo of same sound in summer which was heard in winter.
Regards
Please post different questions in different threads.
Answer of you question 4 is given below
As the speed of sound is faster in summer than winter so we cannot heard echo of same sound in summer which was heard in winter.
Regards