What is the effect of increasing the wavelength in an interference pattern?

a. There is no effect; to change the pattern, you have to change the frequency, not the wavelength.
b. The nodal lines move closer to the central line.
c. The pattern seen disappears.
d. The image gets more blue-violet and less red.
e. The interference pattern is wider for the longer wavelength.


e

Physics & Space Science

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An optical fiber is made of clear plastic with index of refraction n = 1.50 . For what angles with the surface will light remain within the plastic "guide"?

a. j < 66.6° c. j < 51.7° b. j < 41.8° d. j < 57.1°

Physics & Space Science

When a system does work without adding heat, the temperature of the system

A) increases. B) decreases. C) remains unchanged. D) none of the above

Physics & Space Science

Under what circumstances will a nova occur?

What will be an ideal response?

Physics & Space Science

Light in air enters a diamond (n = 2.42) at an angle of incidence of 30.0°. What is the angle of refraction inside the diamond?

a. 11.9° b. 4.90° c. 0.208° d. 24.1° e. 30.0°

Physics & Space Science