- 1(current)
Q. No.For light diverging from a point source:
| (a) | the wavefront is spherical. |
| (b) | the intensity decreases in proportion to the distance squared. |
| (c) | the wavefront is parabolic. |
| (d) | the intensity at the wavefront does not depend on the distance. |
| 1. | (a), (b) | 2. | (a), (c) |
| 3. | (b), (c) | 4. | (c), (d) |
Subtopic: Â Huygens' Principle |
 82%
From NCERT
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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 |
 58%
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- 1(current)
Q. No.
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