Light

How do you call objects that emit light?

• luminous

• non-luminous

• opaque

• transparent

The following are natural sources of light in the surroundings, EXCEPT__________.

• fire

• flashlight

• jellyfish

• lightning

Which of the following items best describes the nature of light?

• current and wave

• mass and particle

• point and wave

• wave and particle

According to Louis de Broglie, why is light said to have a dual nature?

• It shows the properties of wave only.

• It exhibits the properties of reflection.

• It has both interference and polarization effect.

• It displays the properties of both wave and particle.

The following objects are luminous, EXCEPT__________________.

• sun

• moon

• burning wood

• flashlight switched on

What do you call the materials do not allow light to pass through instead it will be absorbed and converted into heat?

• Transparent

• Opaque

• Translucent

• Reflection

What do you call the materials allow light to get through?

• Reflection

• Opaque

• Transparent

• Translucent

Incandescent bulb, candle, matches, and gas lamps are examples of ____________.

• luminous

• non-luminous

• natural source

• man-made source

Who is the scientist that proposed the Electromagnetic Theory of Light?

• Isaac Newton

• Christian Huygens

• Louis de Broglie

• James Clerk Maxwell

Who is the scientist who believed that light behaves like a wave?

• Louis de Broglie

• Isaac Newton

• James Clerk Maxwell

• Christian Huygens