grade 10 spectroscope, wavelength, types of waves, four main properties of stars
What does a spectroscope help scientists study?
The chemical composition of stars
Which of the following represents a wavelength?
The distance between two wave peaks
Which is NOT a type of wave?
Electric wave
Which property of a star can be determined using its color?
Temperature
What type of wave is used in communication technologies such as radios?
Radio wave
What are the four main properties of stars?
Brightness, temperature, size, and mass
Which type of wave has the highest energy?
Gamma rays
What is the relationship between a wave's wavelength and its frequency?
They are inversely proportional
What does the Doppler effect reveal about a star?
Its movement toward or away from Earth
Which of the following waves is a mechanical wave?
Sound wave