The black lines on a spectrum produced by a spectroscope indicate wavelengths of light absorbed by an element.
What do black lines on a spectrum produced by a spectroscope indicate?(1 point)
Responses
the intensity of light an element emits
the intensity of light an element emits
the intensity of light an element absorbs
the intensity of light an element absorbs
wavelengths of light absorbed by an element
wavelengths of light absorbed by an element
wavelengths of light emitted by an element
3 answers
How does a psychrometer measure relative humidity?(1 point)
Responses
It compares the level of moisture in the air at different times of the day.
It compares the level of moisture in the air at different times of the day.
It compares wet air and dry air at two different elevations.
It compares wet air and dry air at two different elevations.
It compares the temperature in wet air and dry air.
It compares the temperature in wet air and dry air.
It compares the temperature to the level of moisture in the air.
Responses
It compares the level of moisture in the air at different times of the day.
It compares the level of moisture in the air at different times of the day.
It compares wet air and dry air at two different elevations.
It compares wet air and dry air at two different elevations.
It compares the temperature in wet air and dry air.
It compares the temperature in wet air and dry air.
It compares the temperature to the level of moisture in the air.
A psychrometer measures relative humidity by comparing the temperature in wet air and dry air.