Quarter 2 Science Reviewer 1

Who discovered that the presence of EM waves and also proposed that it travels same as the speed of light?

• Michael Faraday

• Hans Christian Oersted

• James Clerk Maxwell

• Heinrich Hertz

Which of the following term describes the combination of an electric field and a magnetic field traveling perpendicularly with the direction of the wave?

• Seismic Waves

• Mechanical Wave

• Magnetic Wave

• Electromagnetic Wave

Which of the following mediums can an electromagnetic wave propagate through?

• Gases and solids only

• Solids, liquids, gases

• Solids and liquids only

• Solid, liquids, gases, including empty spacess

How does the electric field and magnetic field of an electromagnetic wave travel in a vacuum in relation to the direction of wave motion?

• Perpendicular

• Any direction

• Parallel

• Opposite direction

What will be the correct sequence of arrangement of the transmission of radio waves?

• Microphone- modulator- amplifier- broadcast antenna

• Microphone- amplifier- modulator- broadcast antenna

• Microphone- amplifier- modulator- broadcast antenna

• Microphone- oscillator- amplifier- broadcast antenna

Which is the correct arrangement of electromagnetic waves according to decreasing frequency?

• Gamma rays, ultraviolet waves, x-rays, light waves, infrared waves, radiowaves, microwaves

• Gamma rays, x-rays, ultraviolet waves, light waves, infrared waves, microwave, radio waves

• Radio waves, microwaves, infrared waves, light waves, ultraviolet waves, x-rays, gamma rays

• Radio waves, microwaves, infrared waves, ultraviolet waves, light waves, x-rays, gamma rays

Which is the correct arrangement of electromagnetic waves according to increasing energy?

• Gamma rays, x-rays, ultraviolet waves, light waves, infrared waves, microwavse, radio waves

• Radio waves, microwaves, infrared waves, ultraviolet waves, light waves, x-rays, gamma rays

• Gamma rays, ultraviolet waves, x-rays, light waves, infrared waves, radiowaves, microwaves

• Radio waves, microwaves, infrared waves, light waves, ultraviolet waves, x-rays, gamma rays

Is visible light a type of electromagnetic wave?

• YES

• NO

What is the relationship between the wavelength and frequency of an electromagnetic wave?

• They are inversely proportional.

• They are directly proportional

• 5. There is no relationship between them.

  
  

Who is the scientist who conducted experiments that led to the discovery of radio waves?

• Hans Christian Oersted

• Michael Faraday

• James Clerk Maxwell

• Heinrich Hertz