Wave and Particle Motion

Q.

Is de Broglie wave an electromagnetic wave?

Q.

Give two examples of stringed instruments.

Q. What is an electric wave? It is sound or light or anything else?

Q.

"A wave transfers energy and not matter" justify the statement

Q.

A violin is a _______ musical instrument .

Q.

It is an example of air column or wind instrument.

1. Guitar

2. Flute

3. Sitar.

4. Drum.

Q. Which among the following is true about a wave?

1. Distance between two consecutive crests makes the wavelength
2. Distance between two consecutive troughs makes the wavelength
3. Distance between any crest and a trough makes the wavelength.
4. Distance between a crest and a trough makes a wavelength.

Q. During verbal communication, particles physically carry information from one place to another.

1. False
2. True

Q. The wavelength of mth line Balmer series for an orbital is 4103angstroms.what is the value of m

Q. During verbal communication, particles physically carry information from one place to another.

1. True
2. False

Q. In the given wave, what will be half the wavelength?

1. AB
2. AC
3. BC
4. BE

Q. Information can be passed through particles oscillating about their fixed positions and influencing the adjacent particles to do the same.

1. True
2. False

Q.

A violin is a _______ musical instrument .

Q. Information can be passed through:

1. By a particle moving from one place to another
2. By a particle moving about its fixed position, and influencing the particle next to it to do the same, and passing the trend to subsequent particles
3. None of the above
4. Both A and B

Q. Information can be passed through particles moving about its fixed positions and influencing the adjacent particles to do the same.

1. True
2. False

Q. A wave is a disturbance that transfers ___ through matter or space.

1. frequency
2. energy
3. medium particles
4. sound

Q. Light wave is an example of a wave.

1. mechanical
2. non-mechanical
3. longitudinal

Q. In which of the followong materials does the sound travel the fastest?

1. Water
2. Hydrogen
3. Steel
4. Bromine

Q. Propagation of sound can be visualized as:

1. Propagation of pressure variations
2. Propagation of density variations
3. Series of compressions and rarefactions
4. All of the above.

Q. During verbal communication, particles physically carry information from one place to another.

1. False
2. True

Q. Information can be passed through

1. Both A and B
2. By a particle moving from one place to another
3. By a particle moving about its fixed position, and influencing the particle next to it to do the same, and passing the trend to subsequent particles.
4. None of the above

Q. In which of the following media sound can travel as a transverse wave?

1. Liquids
2. Gases
3. Solids
4. Liquids and gases

Q.

The disturbance created by a source producing sound in a medium travels through:

1. the medium
2. the particles of the medium
3. depends on the medium
4. both A and B

Q. waves require a medium for their propagation.

1. Mechanical
2. Non-mechanical
3. Light

Q. During verbal communication, particles physically carry information from one place to another.

1. False
2. True

Q. Information can be passed through

1. By a particle moving from one place to another
2. By a particle moving about its fixed position, and influencing the particle next to it to do the same, and passing the trend to subsequent particles.
3. Both A and B
4. None of the above

Q. During verbal communication, particles physically carry information from one place to another.

1. False
2. True

Q.

Define mechanical waves with examples.