Light as a Wave & Particle Quiz

Which of the following is TRUE about ray?

• It is the direction of path taken by light

• It is a stream of light energy

• It could be parallel, divergent or converging

• It is a group of rays

What kind of beam is shown on the picture?

• Ray

• Parallel

• Divergent

• Convergent

The following are natural sources of light EXCEPT

• firefly

• sun

• lightning

• lightbulb

Which of the following is an ILLUMINATED body

• sun

• moon

• light bulb

• lamp

Which of the following is an application of light reflection?

• telescope

• eyeglasses

• mirrors

• microscope

What is the angle of reflection of this image?

If light refract through ethanol. What is the value of it's n?

• 1.36

• 1.00

• 1.47

• 1.33

• angle of refraction

• reflective index

• angle of incident

• sine of the angle of reflection

When a mirage is formed, what are the two mediums that light passes through which results in light being refracted?

• Hot air and cold air

• Air and raindrops

• Air and water

• Air and prism

How will you describe the frequency, wavelength, and energy of gamma rays?

• Low frequency, long wavelength, and low energy

• high frequency, long wavelength, and low energy

• high frequency, short wavelength, and high energy

• low frequency, short wavelength, and high energy