Grade 10 - Electromagnetic Wave and Its Application

What electromagnetic wave has the highest wavelengths and the highest frequencies?

• Gamma Rays

• Ultraviolet Rays

• Radio Waves

• X Rays

What happens to wavelength as the frequency of a wave increases?

• increases

• stays the same

• decreases

• becomes faster

The human eye is only capable of seeing which electromagnetic wave?

• Infrared Light

• Visible Light

• Ultraviolet Light

• All of the Above

What do you call the system that uses reflected radio waves to detect objects and measure their distance and speed?

Hint: It is use by Airplane.

• Electromagnetic Radiation

• Radar

• Microwaves

• Gamma Rays

What electromagnetic wave has the longest wavelengths and the lowest frequencies?

• Electromagnetic Wave

• Radio Waves

• Microwave

• X-Rays

What electromagnetic wave has the shortest wavelength but higher frequencies than microwaves?

• Infrared Rays

• Microwaves

• Radar

• Gamma Rays

What type of waves are used to transmit cellular telephone messages?

• Gamma Rays

• Radio Waves

• Microwaves

• Visible Light

Which of the following is correct in order of lowest to highest energy?

• X-Rays, Visible Light, Microwave

• Microwave, Visible Light, Gamma Rays

• Ultraviolet, Visible Light, Gamma Rays

• Ultraviolet, Gamma Rays, Visible Light

Radioactive materials can cause this type of emission:

• Gamma Rays

• Radio

• X-Rays

• Ultraviolet

Which type of emission maps the dust between stars?

• Gamma Rays

• Infrared

• Ultraviolet

• X-Rays