- 1(current)
Q. No.Huygens' wave theory allows us to know the:
| 1. | wavelength of the wave. |
| 2. | velocity of the wave. |
| 3. | amplitude of the wave. |
| 4. | propagation of the wavefront. |
Subtopic: Â Huygens' Principle |
 85%
Level 1: 80%+
Hints
When the light diverges from a point source, the shape of the wavefront is:
1. Parabolic
2. Plane
3. Spherical
4. Elliptical
Subtopic: Â Huygens' Principle |
 85%
Level 1: 80%+
Hints
Huygen's principle for secondary wavelets may be used to:
| 1. | explain Snell's law. |
| 2. | find the velocity of light in vacuum. |
| 3. | find a new position of a wavefront. |
| 4. | both (1) & (3) are correct. |
Subtopic: Â Huygens' Principle |
 71%
Level 2: 60%+
Hints
By Huygen's wave theory of light, we cannot explain the phenomenon of:
| 1. | Interference |
| 2. | Diffraction |
| 3. | Photoelectric effect |
| 4. | Polarisation |
Subtopic: Â Huygens' Principle |
 73%
Level 2: 60%+
Hints
Which of the following is not true?
| 1. | The speed of light is dependent on the colour of the light. |
| 2. | The speed of violet light is less than the speed of the red light in glass. |
| 3. | The frequency of light never depends upon the property of the medium. |
| 4. | When the light diverges from a point source, the shape of the wavefront is plane. |
Subtopic: Â Huygens' Principle |
 76%
Level 2: 60%+
Hints
Light travels faster in the air than in glass. This is in accordance with:
| 1. | the wave theory of light. |
| 2. | the corpuscular theory of light. |
| 3. | neither \((1)\) nor \((2)\) |
| 4. | both \((1)\) and \((2)\) |
Subtopic: Â Huygens' Principle |
 61%
Level 2: 60%+
Hints
The plane wavefront is incident on a spherical mirror as shown. The reflected wavefront will be:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Â Huygens' Principle |
 55%
Level 3: 35%-60%
Hints
- 1(current)
Q. No.
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