Physics
The natural frequency of a simple pendulum of length 1.0 m on earth's surface is :
[Take g = 9.8 m/s2]
- 0.5 Hz
- 100 Hz
- 50 Hz
- 5 Hz
Related Questions
Figure below shows the distance-displacement graph of two waves A and B. Compare (i) the amplitude, (ii) the wavelength of the two waves.
The period (or frequency) of natural vibrations depends on :
- shape
- size
- external force
- both (1) and (2)
A wire stretched between two fixed supports, is plucked exactly in the middle and then released. It executes (neglect the resistance of the medium) —
- resonant vibrations
- natural vibrations
- damped vibrations
- forced vibrations.
In an organ pipe with one closed end, the frequencies of different modes are in the ratio :
- 1 : 2 : 3 …
- 1 : 3 : 5 …
- 1 : 2 : 4 …
- 2 : 4 : 6 …