Completion
Complete each sentence or
statement.
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1.
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When
the wavelength of a wave ____________________, the amount of noticeable diffraction
increases.
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2.
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When
generating a two-point source interference pattern in a ripple tank, increasing the frequency of the
sources causes the wavelength to ____________________.
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3.
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In
Young’s double-slit experiment, a(n) ____________________ is produced at the centre of the
pattern.
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4.
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The
observation that nodal lines are more spaced out for red light than for blue light indicates that red
light has a(n) ____________________ wavelength than blue light.
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5.
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The
bending of a wave due to changing speed is called ____________________.
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6.
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The
bending of a wave around corners or through openings is called ____________________.
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7.
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Light
that is composed of a single colour, or wavelength, is called ____________________.
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8.
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____________________ defines the mathematical relationship between the angles of
incidence and refraction.
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9.
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____________________ interference occurs when the resultant waveform has a larger
amplitude than each individual wave.
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10.
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Nodal
lines in a two-point source interference pattern have a ____________________ shape.
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11.
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The
“corpuscular” theory of light was most strongly supported by
____________________.
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12.
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The
sharpness of shadows supports the property of light referred to as
______________________________.
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13.
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A
student observes white light entering a triangular prism and emerging in its spectral colours on the
other side. This phenomenon is called ____________________.
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14.
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Red
light bends least. According to Snell’s law, the wavelength of red light is ____________________
that of blue light.
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