Two identical spring of constant K are connected in series and parallel as shown in figure. A mass m is suspended from them. The ratio of their frequencies of vertical oscillations will be

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Questions Match

1.
Two identical spring of constant K are connected in series and parallel as shown in figure. A mass m is suspended from them. The ratio of their frequencies of vertical oscillations will be

1. 2 : 12. 1 : 13. 1 : 24. 4 : 1

2.
A mass of 2 kg lies on a plane making an angle 30° to horizontal, component of its weight perpendicular to plane {g = 10 m/s²}

1. 17.32 N2. 173.2 N3. 1732 N4. 1.732 N

3.
A mass of 2 kg lies on a plane making an angle 30° to horizontal, the component of weight along the plane is

1. 20 N2. 10 N3. 30 N4. 17. 32 N

4.
A mass of 10 g moving with a velocity of 100 cm/s strikes a pendulum bob of mass 10 g. The two masses stick together. The maximum height reached by the system now is (g = 10 m/s²)

1. Zero2. 5 cm3. 2.5 cm4. 1.25 cm

5.
A 1 m long rod has a mass of 0.12 kg. What is the moment of inertia about an axis passing through the centre and perpendicular to the length of rod

1. 0.01 kg-m22. 0.001 kg-m23. 1 kg-m24. 10 kg-m2

Two identical spring of constant K are connected in series and parallel as shown in figure. A mass m is suspended from them. The ratio of their frequencies of vertical oscillations will be