Last Updated On 16-03-2023 - By Jeesha Sara
A rod of mass ‘M’ and length ‘2L’ is suspended at its middle by a wire. It exhibits torsional oscillations; if two masses each of ‘m’ are attached at distance ‘L/2’ from its centre on both sides, it reduces the oscillation frequency by 20% The value of ratio m/M is close to:
Question ID - 50114 :- A rod of mass ‘M’ and length ‘2L’ is suspended at its middle by a wire. It exhibits torsional oscillations; if two masses each of ‘m’ are attached at distance ‘L/2’ from its centre on both sides, it reduces the oscillation frequency by 20% The value of ratio m/M is close to:
A rod of mass ‘M’ and length ‘2L’ is suspended at its middle by a wire. It exhibits torsional oscillations; if two masses each of ‘m’ are attached at distance ‘L/2’ from its centre on both sides, it reduces the oscillation frequency by 20% The value of ratio m/M is close to:
Frequency of torsonal oscillations is given by
f= 
f1 = 
f 2= 
f2 = 0.8 f1
= 0.375
Next Question :
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ABCD is a square. E is the mid-point of BC and F is the mid-point of CD. The ratio of the area of triangle AEF to the area of the square ABCD is |
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(a) |
1:2 |
(b) |
1:3 |
(c) |
1:4 |
(d) |
3:8 |
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