A particle performs uniform circular motion with an angular momentum 
, if the frequency of particles motion is doubled and its KE is halved, the angular momentum becomes
a)
b)
c)
d)
A particle performs uniform circular motion with an angular momentum , if the frequency of particles motion is doubled and its KE is halved, the angular momentum becomes
a)
b)
c)
d)
Question ID - 52977 | SaraNextGen Top Answer
A particle performs uniform circular motion with an angular momentum , if the frequency of particles motion is doubled and its KE is halved, the angular momentum becomes
a)
b)
c)
d)
|
A particle performs uniform circular motion with an angular momentum |
||||||||
|
a) |
|
b) |
|
c) |
|
d) |
|
|
1 Answer
127 votes
Answer Key / Explanation : (d) -
|
(d) From |
, we find that when frequency 
is doubled, 
is doubled, 
becomes 4 times. As 
reduces to half, 
must have been reduced to 
th. From 
becomes 
times 
127 votes
Answer Link
127