Visible Lights and Electricity

They are a form of electromagnetic radio waves such as infrared radiation, X-rays, microwaves, and ultraviolet radiation.

• Sounds

• Visible Lights

• Light Waves

• Ultraviolet Lights

Electro Magnetic radiation can be transmitted in waves or particles at different frequencies and wavelengths. This wide variety of wavelengths is known as the ___________.

• White Light

• Light Spectrum

• Electro Magnetic Spectrum

• All of the above

Are specialized cells in our eyes that act as receivers that are tuned to the wavelength of the narrowband of the EM spectrum.

• Cones

• Retina

• Pupil

• Cornea

What are the colors present in the visible spectrum?

• Red, orange, yellow, green, black, Indigo and violet.

• Red, orange, yellow, gold, blue, Indigo and violet.

• Red, orange, yellow, green, blue, pink and violet.

• Red, orange, yellow, green, blue, Indigo and violet.

What is the phenomenon of splitting of white light into seven colours called?

• Distribution

• Tyndall Effect

• Dispersion

• Diffusion

Which light wave color has the longest wavelength?

(a)  

Which color has the shortest wavelength?

(a)  

It refers to the flow of electricity in an electronic circuit, and to the amount of electricity flowing through a circuit.

• Electricity

• Electrical Flow

• Electric Current

• Electric Circuit

What is the Unit used to measure electric current?

• Volts

• Ohms

• Watts

• Ampere

It refers to the amount of force pushing the flowing electrons.

• Voltage

• Ampere

• Current

• Intensity