LIGHT ENERGY

What is the main property of light that allows it to travel in straight lines?

• Reflection

• Refraction

• Dispersion

• Rectilinear propagation

Which of the following is NOT a natural source of light?

• Sun

• Firefly

• LED bulb

• Lightning

The process by which light bounces off a smooth surface is called:

• Refraction

• Absorption

• Reflection

• Dispersion

According to the laws of reflection, the angle of incidence is:

• Greater than the angle of reflection

• Less than the angle of reflection

• Equal to the angle of reflection

• Independent of the angle of reflection

A pinhole camera forms an image that is:

• Virtual and upright

• Inverted and real

• Enlarged and virtual

• Diminished and upright

The image formed by a plane mirror is:

• Real and inverted

• Virtual and upright

• Diminished and real

• Enlarged and inverted

When light moves from air to glass, it bends:

• Away from the normal

• Toward the normal

• In a straight line

• Randomly

A rainbow is formed due to which property of light?

• Reflection

• Refraction

• Dispersion

• Absorption

The primary colors of light are:

• Red, Green, Yellow

• Red, Blue, Yellow

• Red, Green, Blue

• Red, Yellow, White

What is formed when red and green light are combined?

• Cyan

• Magenta

• Yellow

• White