Physics And Measurement Question 182

Question: If there is a positive error of 50% in the measurement of velocity of a body, then the error in the measurement of kinetic energy is

Options:

A) 25%

B) 50%

C) 100%

D) 125%

Show Answer

Answer:

Correct Answer: D

Solution:

Kinetic energy E=12mv2

ΔEE×100=v2v2v2×100

=[(1.5)21]×100

ΔEE×100=125 %



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक