Question

In: Physics

1) Which of the following types of electromagnetic waves has the highest frequency. Group of answer...

1) Which of the following types of electromagnetic waves has the highest frequency.

Group of answer choices

Microwave

Radio Wave

Infrared

X-ray

Visible Light

2)

In a vacuum, which of the following statements is true about red and blue visible light.

Group of answer choices

The red light travels slower than the blue light.

The red light has a longer wavelength than the blue light.

The red light and the blue light have equal frequencies.

Both the red light and the blue light have a higher wavelength than radio waves.

Both the red light and the blue light have a higher frequency than yellow light

3)

An RL circuit has a 10 H inductor along with two resistors that are 2 ohms and 5 ohms, all connected in series with a 20 V battery. At the moment the circuit is connected, what is the current across the 2 ohm resistor?

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