Can you take another picture of the first page please.. Can you take another pic

Question

Can you take another picture of the first page please.. Can you take another picture of the first page please.. Can you take another picture of the first page please.. Write the . As straight water waves pass through 2. Which frequencies of sound from an an opening and spread out in circular wave fronts, the waves undergo audio speaker will best diffract around comers and fill a room? a) reflection b) refraction c) dispersion a) low frequencies b) medium to high frequencies c) high frequencies d) Both low and high frequencies d) diffraction diffract the same amount. 3. A group of students uses a double slit 4. At any point on one of the nodal lines in the two-point-source interference pattern, and a laser to produce bright fringes on a distant screen. To double the fringe spacing, the students should a) a wave crest in combining with a a) decrease the slit spacing by half b) decrease the laser wavelength by wave trough b) a wave crest is combining with a wave crest c) a wave crest is combining with a half c) decrease the distance to the slightly smaller wave crest d) a wave crest is reflecting off a wave screen by half d) increase the slit spacing crest Newton's particle theory of light is unable to account for which phenomenon? 6. 5. When two interfering waves have a displacement in the same direction, a) constructive interference occurs a) propagation b) reflection c) radiation pressure d) diffraction b) destructive interference occurs c) refraction occurs d) nothing happens 7. According to Huygens' principle, a 8. Young's double-slit experiment proved wave front is that light a) is monochromatic b) is polychromatic c) has wave properties d) is sinusoidal a) tangent to the circular waves b) a concentric circle to the circular waves c) normal to the circular waves d) a plane wave SPH4U-The Wave Nature of Light

Explanation / Answer

1. Diffraction

2.

3. Spacing = wavelength * distance of screen / slit width

To double the spacing, slit width can be reduced to half.

4.

5. Constuctive interference

6. radiation pressure

7. Tangent to the circular waves

8. has wave properties

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