Physics And Measurement Question 220
Question: If unit of length and force are increased 4 times. The unit of energy
Options:
A) Is increased by 4 times
B) Is increased by 16 times
C) Is increased by 8 times
D) Remains unchanged
Show Answer
Answer:
Correct Answer: B
Solution:
[b] The work done $ =force\times displacement $
$ \therefore unit,{\mu _{1}}=Fs $
and $ {\mu _{2}}=4F\times 4s=16u. $
