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Marrrta [24]
3 years ago
13

In the visible spectrum, red light has the lowest frequency and violet light has the highest. List the following colors in order

of increasing energy. green blue yellow orange A) blue, green, yellow, orange B) orange, yellow, green, blue C) yellow, orange, blue, green Eliminate D) green, blue, orange, yellow
Physics
2 answers:
Eduardwww [97]3 years ago
6 0

Answer:B

Explanation:

Colours with higher wavelengths and least frequency posses minimum energy, vice versa. This means that colours like yellow with wavelength of 577nm (nano-meter) has lower energy than blue which have a wavelength of 455nm

svetlana [45]3 years ago
3 0

Answer:

b

Explanation:

usa test prep

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A 121 turn 121 turn circular coil of radius 2.85 cm 2.85 cm is immersed in a uniform magnetic field that is perpendicular to the
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Answer:

0.074 V

Explanation:

Parameters given:

Number of turns, N = 121

Radius of coil, r = 2.85 cm = 0.0285 m

Time interval, dt = 0.179 s

Initial magnetic field strength, Bin = 55.1 mT = 0.0551 T

Final magnetic field strength, Bfin = 97.9 mT = 0.0979 T

Change in magnetic field strength,

dB = Bfin - Bin

= 0.0979 - 0.0551

dB = 0.0428 T

The magnitude of the average induced EMF in the coil is given as:

|Eavg| = |-N * A * dB/dt|

Where A is the area of the coil = pi * r² = 3.142 * 0.0285² = 0.00255 m²

Therefore:

|Eavg| = |-121 * 0.00255 * (0.0428/0.179)|

|Eavg| = |-0.074| V

|Eavg| = 0.074 V

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1d. Conservation of energy is demonstrated in this roller coaster example.
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A horizontal force of 350N is exerted on a 2.5 kg ball as it rotates uniformly in a horizontal circle of radius of 0.90m. Calcul
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When you rub a plastic rod with fur, the plastic rod becomes negatively charged and the fur becomes positively charged. As a con
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Answer: C. the rod gains mass and the fur loses mass.

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