"The sound waves diffract much more than the light waves so try bend and spread as they move through the doorway" and this is why it is possible that you can hear the sound of the movie or play even if you <span>cannot see the screen or stage. The correct option among all the options given in the question is option "D".</span>
Answer:
Explanation:
work done=force * displacement
=500 N * 40 m
=2000 joule
Answer:
Explanation:
Cutting a string in half because
b is irreversible
c is a cheical and d is also a chemical change