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very narrow beam of white

1. what happens to a narrow light beam that enters parallel to the principal axis on a spherical concave mirror?2. what happens
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2. asked by Karen
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A narrow beam of light passes through a plateof glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from
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2. asked by cece
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A very narrow beam of white light is incident at 56.10° onto the top surface of a rectangular block of flint glass 12.7 cm
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2. asked by Rachel
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A very narrow beam of white light is incident at 40.40° onto the top surface of a rectangular block of flint glass 11.8 cm
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2. asked by rudi
3. 774 views
very narrow beam of white light is incident at 40.40° onto the top surface of a rectangular block of flint glass 11.8 cm thick.
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2. asked by ALex
3. 795 views
A very narrow beam of white light is incident at 40.40° onto the top surface of a rectangular block of flint glass 11.8 cm
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2. asked by A very narrow beam of white light is incident at 4
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A very narrow beam of white light is incident at 47.50° onto the top surface of a rectangular block of flint glass 13.6 cm
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2. asked by Sarah
3. 1,020 views
A)A very narrow beam of white light is incident at 42.20° onto the top surface of a rectangular block of flint glass 12.6 cm
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2. asked by Ted
3. 781 views
Electrons in a narrow beam travelling at a steady speed of 5 x 10^7 ms^-1 are directed into the space between two oppositely
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2. asked by Ben
3. 564 views
A reflection of a narrow beam of light incident normally on a plane mirror falls on a meter rule placed parallel to the mirror
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2. 95 views