คลื่น EM

The higher the frequency the ______ the energy. 

• higher
• lower
• neither, stays the same

Tags

NGSS.HS-PS4-1

Which electromagnetic waves have the highest frequencies and the shortest wavelengths?

• microwaves
• visible light
• gamma rays

Tags

NGSS.HS-PS4-1

Which of the following has wavelengths longer than microwaves?

• Infrared waves
• Radio waves
• Visible light

Tags

NGSS.HS-PS4-1

Which of the following has frequencies higher than ultraviolet rays?

• visible light
• infrared rays
• x-rays

Which of the following lists the electromagnetic waves in order of increasing wavelength?

• X-rays, visible light, radio waves
• gamma rays, microwaves, UV rays
• infrared rays, radio waves, x-rays

Tags

NGSS.HS-PS4-1

Which of the following lists the electromagnetic waves in order of decreasing frequency?

• X-rays, microwaves, infrared rays
• UV rays, visible light, x-rays
• infrared rays, microwaves, radio waves

Tags

NGSS.HS-PS4-1

How are Electromagnetic waves different from Mechanical waves?

• EM waves have very short wavelengths

• EM waves transmit energy instead of matter

• EM waves can travel through the vacuum of space (without particles)

• EM waves can change direction by reflection

Tags

NGSS.HS-PS4-3

All electromagnetic waves are...

• transverse waves and have the same frequency

• transverse waves and have the same speed

• mechanical waves and have the same wavelength

• longitudinal waves and have the same energy

Tags

NGSS.HS-PS4-1

Infrared rays have a shorter wavelength than

• Ultraviolet ray.

• X-rays.

• radar waves.

• gamma rays

Tags

NGSS.HS-PS4-1

The full range of frequencies of electromagnetic radiation is called

• visible light.

• radio waves.

• the electromagnetic spectrum.

• invisible radiation.