You observe our moon rising on the horizon at 6 pm. what will you see 6 hours later? a. a first quarter moon b. a waning gibbous moon c. a full moon on or near your meridian d. a waxing crescent moon

Which object is most likely represented by a dot?

Frequency of electromagnetic waves that a radio station is assigned is called

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?