U3Q2/3 Electromagnetic spectrum and light

The portion of the electromagnetic spectrum that humans can see is called:

• radio waves

• visible light

• gamma rays

• x-rays

Which type of electromagnetic energy carries the least energy?

• X-Rays

• Visible Light

• Ultraviolet

• Microwaves

Which has a longer wavelength?

• infrared

• ultraviolet

Which is can be felt as "heat"?

• gamma rays

• infrared

• x-ray

• blue light

Which of the following types of EMR is used to send a signal from a TV remote control device to change the channel on a TV?

• radio waves

• microwaves

• infrared

• X-ray

All electromagnetic waves travel through space at the same speed.

• True

• False

The electromagnetic spectrum from long wavelength to short.

• gamma, xray, ultraviolet, visible light, infrared, microwaves, radio

• radio, visible, microwaves, infrared, ultraviolet,x ray, gamma

• radio, microwave, infrared, visible, ultraviolet, xray, gamma

• gamma,radio, microwave,infrared, visible, ultraviolet, xray

On this diagram of a wave, which end shows the SHORTEST wavelength?

• Left

• Right

• Middle

Which type of radiation causes sunburns?

• Xrays

• Ultraviolet

• visible light

• gamma rays

This type of radiation can help heat up food and can be found in cellphones

• microwaves

• UV

• Infrared

• gamma