An electron is allowed to move freely in a closed cubic box of length of side 10 cm. The uncertainty in its velocity will be :

An electron is allowed to move freely in a closed cubic box of length

1.	An electron is allowed to move freely in a closed cubic box of length of side 10 cm. The uncertainty in its velocity will be :
Answer» a. `3.35xx10^(-4) m "sec"^(-1)` B. `5.8xx10^(-4) m "sec"^(-1)` C. `4xx10^(-5) m "sec"^(-1)` d. `4 xx10^(-6) m "sec"^(-1)` Solution :`Delta x . ""m Delta v GE h/(4PI)`