Diffraction Gratings: When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?

Fill in the blank(s) with the appropriate word(s).


633 nm

Physics & Space Science

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A wave that travels from a medium of lower index of refraction to a medium of higher index of refraction undergoes 180° phase changes relative to the incident wave

Indicate whether the statement is true or false

Physics & Space Science

Maxwell developed his theory of electromagnetism by combining previous discoveries. He added his own original hypothesis that:

a. changing electric fields produce magnetic fields. b. moving electric charges produce magnetic fields. c. changing magnetic fields produce electric fields. d. electric charges produce electric fields.

Physics & Space Science

What do we mean when we say that a particle is a weakly interacting particle?

A) It interacts only through the weak force. B) It interacts only through the weak force and the force of gravity. C) It is so small that it doesn't affect objects in the universe. D) It doesn't interact with any type of baryonic matter. E) It is the only type of particle that interacts through the weak force.

Physics & Space Science

A charge of 2.00 ?C flows onto the plates of a capacitor when it is connected to a 12.0-V potential source. What is the minimum amount of work that must be done in charging this capacitor?

A) 6.00 µJ B) 24.0 µJ C) 12.0 µJ D) 144 µJ E) 576 µJ

Physics & Space Science