SUMMATIVE TEST

What is the constant value of speed of light?

What form of EM waves is used to detect fake bank notes and sterilize water from drinking fountains?

What do you call the medical procedure that uses gamma rays to treat cancer?

Electromagnetic wave’s frequency is ________ proportional to its energy.

Optical Communication became possible in 1960 after the development of the first LASER. It is one of the applications of visible light to enhance the internet connection. What does the acronym LASER stand for?

FACT or BLUFF

Microwaves have shorter wavelengths and higher frequencies than radio waves.

FACT or BLUFF

If we compare the characteristics of microwave and visible light

"Microwave has longer wavelength but higher frequency than visible light."

Electromagnetic waves have 7 different forms. Which of them has the LOWEST frequency?

EM waves have the longest wavelength which is greater than 1x10-1 m and can be compared to a basketball court?

FACT or BLUFF

In a generator, what creates the changing magnetic field required for electricity production is a stationary coil and static magnets