State which kind of vibrations (free, forced or resonant) are the following:

i) A tuning fork is struck against a rubber pad and its stem is held in hand.

ii) Two large tuning forks each of frequency 512 Hz with their stems fixed on wooden boxes are placed 1 m apart on a table. When one is set into vibrations the other too is observed to emit sound.

i) Resonant, ii) Forced

No worries! We‘ve got your back. Try BYJU‘S free classes today!

i) Forced, ii) Free

No worries! We‘ve got your back. Try BYJU‘S free classes today!

i) Free, ii) Resonant

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

i) Resonant, ii) Free

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C
i) Free, ii) Resonant

i) Free vibration: Disturbance of an object gives rise to free or natural vibrations.

ii) Resonant vibration: Periodic force with the same frequency is applied

Suggest Corrections

Similar questions

Q. A tuning fork is excited and its stem is pressed on a wooden table.
a) The table starts to vibrate. What is this type of vibration called?
b) Under what condition, can resonance occur in this case?

Q. A closed organ pipe

P_{1}

vibrating in its first overtone and another open organ pipe

P_{2}

vibrating in its third overtone, both pipes are in resonance with the tuning fork of frequency 12Hz. In column-II, the beat frequency in Hz is given when produced in conditions provided in column-I. Match the column-I and II

Stems of 2 vibrating tuning forks A and B are touched to the wooden box of a sinister.It is observed that the paper rider (a small piece of paper folded at the centre.)present on the wire flies off when the stem of vibrating tuning fork B is touched to the wooden box but the paper just vibrates when the stem of vibrating tuning fork A is touched to the wooden box.

I) Name the phenomenon when the paper rider just vibrates.

2)Name the phenomenon when the paper rider flies off.

3)Why the paper rider fly off when the stem of tuning fork B is touched to the box?

Q. Figure shows two tuning forks A and B of the same frequency mounted on separate sound boxes with their open ends facing each other. The fork A is set into vibration. Describe your observation :

A tuning fork of frequency 256 Hz will resonate with another tuning fork of frequency :

(a) 128 Hz (b) 256 Hz

Join BYJU'S Learning Program

The correct option is C i) Free, ii) Resonanti) Free vibration: Disturbance of an object gives rise to free or natural vibrations. ii) Resonant vibration: Periodic force with the same frequency is applied

The correct option is C
i) Free, ii) Resonant

i) Free vibration: Disturbance of an object gives rise to free or natural vibrations.

ii) Resonant vibration: Periodic force with the same frequency is applied