Light+Telescopes

Moving electric charges create magnetic fields.

• True

• False

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

c = 3x10⁸ m/s

• The speed of light

• The Boltzmann constant

• Coulomb's constant

• The universal gravitational constant

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

What is the energy of 150 nm light?

• (1240 nm eV ) / 150 nm

• (1240 nm eV ) * 150 nm

• 0 eV

• cannot be determined

Tags

NGSS.HS-PS4-1

Which light waves have the longest wavelength?

• red light

• radio waves

• ultraviolet light

• gamma rays

Tags

NGSS.HS-PS4-1

Which light waves have the highest frequency?

• red light

• radio waves

• ultraviolet light

• gamma rays

Tags

NGSS.HS-PS4-1

Which bands of electromagnetic radiation are blocked from reaching Earth's surface by our atmosphere?

• visible light

• radio waves

• x-ray

• gamma rays

Tags

NGSS.HS-PS4-4

Reflecting telescopes focus light using a...

• mirror.

• lens.

• spectrometer.

• filter.

Tags

NGSS.MS-PS4-2

Refracting telescopes focus light using a...

• mirror.

• lens.

• spectrometer.

• filter.

What are some disadvantages refracting telescopes?

• expensive

• large lens can be deformed by its own weight.

• flaws in glass

• chromatic aberration

The second largest radio telescope in the world (located in Puerto Rico) that collapsed after sustaining damage from hurricanes and earthquakes.

• Arecibo Observatory

• ALMA

• SOFIA

• Keck 1 and 2

Tags

NGSS.HS-ESS3-1