Astronomy, light and spectroscopy

Last updated 5 months ago

16 questions

Library

Astronomy, light and spectroscopy

Last updated 5 months ago

16 questions

Question 1

Waves carry _____________ from one place to the other.

frequency

medium

materials

energy

Question 2

The number of wavelengths that pass a point each per second is:

baseline

period

frequency

amplitude

Question 3

Increasing the amplitude of the light changed:

to the blues & purples

bright to dim

dim to bright

to the reds & oranges

Question 4

Which of the following is not a mechanical wave?

sound wave

electromagnetic wave

ocean wave

slinky wave

Question 5

Electromagnetic waves are

The emission of electrons from a metal when light shines on the metal

Radio waves with the shortest wavelengths and the highest frequencies

Electromagnetic waves with the longest wavelengths and lowest frequencies

A form of energy that can move through the vacuum of space.

Question 6

The ______________________ is how tall the wave is.

crest

trough

amplitude

wavelength

Question 7

Which of the following can scientists make inferences about simply by observing light

direction of rotation of objects

Density of stars

composition of nebula

All of the above

Question 8

In visible light, changing the wavelength of the light will change the

Question 9

When hot dense materials like a tungstun filiment (in an incansecent lightbulb) is split with a diffraction grating it appears to emit a

contiunous spectra

absorbtion spectra

emissions spectra

dark line spectra

Question 10

10.

Match

Question 11

11.

Light from a low-heat, low-density nebula would emit

Spectrum A

Spectrum B

Spectrum C

Question 12

12.

Light from a star passing through a dust cloud would emit

Spectrum A

Spectrum B

Spectrum C

Question 13

13.

If an object like a star is moving away from Earth, the spectral lines are observed to be

red shifted

blue shifted 

green shifted 

yellow shifted

Question 14

14.

The spectral lines are created by the movement between allowed energy levels of

electrons

neutrons

protons

quarks

Question 15

15.

What are the advantages of the Hubble Space Telescope over ground-based telescopes

Question 16

16.