Resonance

Q.

Define vibration.

Q.

What is free vibration and forced vibration?

Q.

On which principle does the sonometer work?

1. Hooke’s law

2. Elasticity

3. Resonance

4. Newton’s law

Q.

The to and fro motion of an object is called

1. Waves

2. Amplitude

3. Vibration

4. All of the above

Q.

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

1. 128 Hz
   

2. 256 Hz
   

3. 384 Hz
   
   

4. 422 Hz

Q.

With which of the following frequencies does a tuning fork of $256Hz$ resonate ? $288Hz,314Hz,333Hz,512Hz.$

Q.

What is resonance?

Q.

Ultrasonic waves are used to get the image of various parts of the heart. This technique is used in ___.

Q.

A scooter waiting on a signal has its mirror vibrating violently. Why?

Q. If i will be vibrating at the frequency of light then is it so that ...all the particles in my body will be vibrating at the same frquency?

Q.

What type of vibration is executed in each of the following cases

1) A ‘swing’ given a push and then let go.

2) A tuning fork of frequency made to vibrate by another tuning fork also of frequency

1. 1) Resonance, 2) Free Vibration

2. 1) Forces Vibration, 2) Free Vibration

3. 1) Resonance, 2) Forced Vibration

4. 1) Free Vibration, 2) Resonance

Q. A watch becomes fast by 5 minutes in a day. In the watch makers shop, it keeps correct time. It is due to :

1. natural vibrations
2. forced vibrations
3. damped vibrations
4. none of these

Q.

Choose the correct options from the following, If two objects are in resonance with each other:

1. Both of them have the same frequency.

2. Both of them have different natural frequency.

3. The vibrations of the bodies are in phase.

4. The vibration of the body are out of phase.

Q. How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.

Q. With which of the following frequency does a tuning fork of 256Hz resonate? 288Hz, 314Hz, 333Hz, 512Hz.

Q.

What will be the result if the natural frequency of an influencing body is the same as that of the influenced body?

Q.

Which one of them is correct about resonance?

1. External periodic force is not required

2. External periodic force is required

3. The amplitude of vibration is very small

4. The vibration of the body are not in phase

Q.

How do you tune your radio set to a particular station ? Name the phenomenon involved in doing so and define it.