table.
Physics, 06.05.2020 01:04 scoutbuffy8954
4. Compare and contrast the properties of the images formed by each mirror type in the
table.
Image Formation
Mirror
Type
Appearance
Placement
Size
Plane
Concave (when the object is located a
distance greater than a focal length
from mirror's surface)
Concave (when object is located a
distance less than the focal length of
the mirror)
Convex
Answers: 2
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The frequency of vibrations of a vibrating violin string is given by f = 1 2l t ρ where l is the length of the string, t is its tension, and ρ is its linear density.† (a) find the rate of change of the frequency with respect to the following. (i) the length (when t and ρ are constant) (ii) the tension (when l and ρ are constant) (iii) the linear density (when l and t are constant) (b) the pitch of a note (how high or low the note sounds) is determined by the frequency f. (the higher the frequency, the higher the pitch.) use the signs of the derivatives in part (a) to determine what happens to the pitch of a note for the following. (i) when the effective length of a string is decreased by placing a finger on the string so a shorter portion of the string vibrates df dl 0 and l is ⇒ f is ⇒ (ii) when the tension is increased by turning a tuning peg df dt 0 and t is ⇒ f is ⇒ (iii) when the linear density is increased by switching to another string df dρ 0 and ρ is ⇒ f is ⇒
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4. Compare and contrast the properties of the images formed by each mirror type in the
table.
table.
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Mathematics, 18.11.2019 03:31
Mathematics, 18.11.2019 03:31
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