What is the electromagnetic spectrum?

Who is the person who discovered that shining light on a metal caused electrons to be ejected?

It has higher frequency than ultraviolet rays and higher wavelength than gamma rays

In the EM spectrum, which region has wavelengths longer than visible light but shorter than microwaves?

It is the number of wavelengths that pass a given point in 1s

Which color of visible light has the shortest wavelength?

It is the only part of the spectrum that we can see

It is the distance from crest to crest.

What is the main characteristic that distinguishes one color from another in the visible light spectrum?

Which of the following is an example of a practical application of microwaves in everyday life?

It uses radio waves to diagnose illnesses with a strong magnet and a radig wave emitter and a receiver

What do we call to the frequency of the EM wave that a station uses?

It converts sound waves to a changing electric current.

Which segment of the electromagnetic spectrum is commonly used for communication purposes, including TV and radio signals?

How are visible light waves applied in fiber-optic communication systems?

Which region of the electromagnetic spectrum is often used in medical imaging, such as CT scans?

What practical application involves the use of visible light waves in the field of communication and data transmission?

What is a potential health concem associated with prolonged exposure to radiofrequency (RF) radiation from mobile phones and wireless devices?

How do ionizing radiations, such as X-rays and gamma rays, affect living cells?

What is the main source of ultraviolet radiation in the natural environment?

How can non-ionizing radiation from electronic devices impact the reproductive system in humans?

How does ultraviolet (UV) radiation positively impact living organisms, particularly humans?

How does the ozone layer in the Earth's atmosphere contribute to the protection against harmful effects of ultraviolet UV) radiation?

What is a potential consequence of excessive exposure to ultraviolet (UV) radiation from the Sun?

In what way can ultraviolet (UV) radiation impact the DNA of living cells?

Which type of electromagnetic waves are associated with sunbum and can damage skin cells?

What image is made from real light rays that converge at a real focal point?

What is the typical orientation formed by a real image?

What image cannot be projected?

Which of the following does not describe a curved mirror?

What size image is formed if the real object is placed at the focal point 1?

If the eyeball is too long and image focuses in front of the retina, what does the person experience?

What do we call to the lenses that is thicker at the edges and thinner in the center?

If the eyeball is too short so image is focused behind the relina, what does the person experience?

What type of mirror is commonly used in headlights and flashlights to spread light uniformly?

In a camera, what type of lens is typically used to capture a wide field of view?

How can we describe the path of light?

What happens when light energy does not flow from the image?

What will happen if the mirror is not flat?

Which type of mirror is commonly used in makeup mirrors due to its ability to produce an upright, magnified image?

In a camera, what role does the lens aperture play in controlling the amount of light that enters the camera?

What type of lens is commonly used in eyeglasses to correct farsightedness?

Which component of an atom is positively charged?

Which of the following is located on the outer edges of atoms?

Which of the following does not influence resistance?

How does the operation of an electric motor differ from that of an electric generator?

It is the measure of energy given to the charge flowing in a arcuit

Which of the following does not belong to the group?

A type of circuit that lined up the components in one path

If electrons are stripped away, what happen to the atoms?