Pls help 1. Which statement is true for the index of refraction?a) All types of glass have the same index of refraction.b) The index of refraction is the same for different wavelengths of light.c) The index of refraction is a dimensionless number greater than or equal to 1.d) The index of refraction is a dimensionless number less than 1.0.2. Total internal reflection can occur only whena) one of the two refractive media is air.b) light is travelling from a more optically dense medium into a less optically dense medium.c) a light of low intensity is used.d) A light of high intensity is used.3. As straight water waves pass through an opening and spread out in circular wave fronts, the wavesundergoa) reflection.c) refraction.b) refraction.d) diffraction.4. Which frequencies will best diffract around corners and fill a room?a) low frequencies.b) medium to high frequenciesc) high frequencies.d) both low and high frequencies diffractthe same amount.5. A group of students in Mr. Sawinski's SPH4U class uses a double slit and a laser to produce brightfringes on a distant screen. To double the fringe spacing, the students shoulda) decrease the slit spacing by half.c) decrease the distance to the screen by half.b) decrease the laser wavelength by half.d) increase the slit spacing.

1. Which statement is true for the index of refraction? a) All types of glass have the same index of refraction. b) The index of refraction is the same for different wavelengths of light. c) The index of refraction is a dimensionless number greater than or equal to 1. d) The index of refraction is a dimensionless number less than 1.0.

1. Which statement is true for the index of refraction? a) All types of glass have the same index of refraction. b) The index of refraction is the same for different wavelengths of light. c) The index of refraction is a dimensionless number greater than or equal to 1. d) The index of refraction is a dimensionless number less than 1.0.

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ISBN:9781305952300

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Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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The theory of special relativity explains the connection between space and time to objects that move in a straight line at a constant speed. The objects move at the speed of light. When an object approaches light speed, its mass is endless and cannot move faster than light. The most crucial postulate of Einstein's special relativity is that the laws of nature do not change in each frame of reference.

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Pls help

1. Which statement is true for the index of refraction?
a) All types of glass have the same index of refraction.
b) The index of refraction is the same for different wavelengths of light.
c) The index of refraction is a dimensionless number greater than or equal to 1.
d) The index of refraction is a dimensionless number less than 1.0.
2. Total internal reflection can occur only when
a) one of the two refractive media is air.
b) light is travelling from a more optically dense medium into a less optically dense medium.
c) a light of low intensity is used.
d) A light of high intensity is used.
3. As straight water waves pass through an opening and spread out in circular wave fronts, the waves
undergo
a) reflection.
c) refraction.
b) refraction.
d) diffraction.
4. Which frequencies will best diffract around corners and fill a room?
a) low frequencies.
b) medium to high frequencies
c) high frequencies.
d) both low and high frequencies diffract
the same amount.
5. A group of students in Mr. Sawinski's SPH4U class uses a double slit and a laser to produce bright
fringes on a distant screen. To double the fringe spacing, the students should
a) decrease the slit spacing by half.
c) decrease the distance to the screen by half.
b) decrease the laser wavelength by half.
d) increase the slit spacing.

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