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Properties of Light Quiz

Total questions: 25

Worksheet time: 6mins

Name
Class
Date
1.

The full spectrum of light energy is called the

a)

reflection

b)

diffraction

c)

electromagnetic spectrum

d)

natural light spectrum

2.

What determines the color and brightness of light?

a)

wavelength and amplitude

b)

frequency and amplitude

c)

amplitude and frequency

d)

amplitude and wavelength

3.

The distance between one peak of a wave and the next peak is known as the ______

a)

amplitude

b)

wavelength

c)

frequency

d)

vibration

4.

The number of waves that pass in a given time is known as the

a)

wavelength

b)

amplitude

c)

wave speed

d)

frequency

5.

Amplitude refers to the _______

a)

The rate of vibration of the wave

b)

The distance between one peak of a wave and the next peak

c)

The height of

each peak

d)

unit time

6.

When white light strikes a green wall, all of the visible wavelengths

a)

are absorbed

b)

are absorbed except for the green wavelength, which bounce off the wall

c)

bounce off of the wall except the green wavelength, which is absorbed

d)

bounce of the wall

7.

Choose the primary colours

a)

Red

b)

Blue

c)

Yellow

d)

Green

e)

Cyan

8.

Choose the secondary colours

a)

Red

b)

Green

c)

Yellow

d)

Cyan

e)

Magenta

9.

The three additive colours comes together to produce _________ while the three subtractive colours comes together to produce______

a)

white, black

b)

cyan, magenta

c)

black, white

d)

yellow, red

10.

Refraction is caused by...

a)

different wave speeds

b)

more than one reflection

c)

displaced images

d)

bending of waves

11.

Light travels through an object during

a)

absorption

b)

transmission

c)

reflection

d)

diffraction

12.

Shadow is form because light travels in a __________________ line.

a)
curved
b)
straight
c)

multiple

d)

long

13.

The two sensitive light detecting cells are known as _______ and _______

a)

retina and pupil

b)

rods and retina

c)

cones and pupil

d)

rods and cones

14.

The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?

a)

b)

c)

15.
The ray of light that strikes a reflecting surface is called ________.
a)
incident ray
b)
reflected ray
c)
normal ray
d)
none of the above
16.

In this diagram, which is the angle of incidence?

a)

Angle A

b)

Angle B

c)

Angle C

d)

Angle D

17.

The most common light source in the microscope is the

a)

Tungsten lamp

b)

Arc lamp

c)

Xenon burner

18.

When a light ray bounces off a rough surface, it reflects all over the place

a)

Diffraction

b)

Reverberation

c)

Scattering

d)

Transmission

19.

Which objects refract light energy?

a)

Lens, prism, mirror

b)

Mirror, lens, passing through water

c)

Lens, prism, passing through water

d)

Shiny object, lens, mirror

20.

Which objects reflect light energy?

a)

Mirror, lens, water

b)

Lens, prism, mirror

c)

Mirror, smooth shiny objects, surface of water

d)

Smooth shiny objects, lens, surface of water

21.

Light rays are disappearing into a surface. What is happening to the light rays?

a)

Transmission

b)

Reflection

c)

Absorption

d)

Adsorption

22.

Viewing a specimen using a halogen light will produce an image that will appear_

a)

bluish

b)

brownish

c)

yellowish

d)

reddish

23.

Which of the following is suitable to be used in a fluorescence microscopes?

a)

Tungsten lamp and halogen bulb

b)

Halogen bulb and arch lamps

c)

Arch lamps and LED

d)

LED and tungsten lamps

24.

Which of these statement is TRUE

a)

Halogen bulbs have a shorter lifespan compared to tungsten lamps

b)

Tungsten lamps typically produce a whiter and brighter light

c)

Halogen bulbs produce a warmer, yellowish light

d)

Halogen bulbs produce more light for the same amount of energy

25.

Why are arc lamps and LEDs used in specialized microscopes?

a)

Arc lamps provide high-intensity illumination and a broad range of colours

b)

Arc lamps provide stable light output over time when properly maintained

c)

LEDs have a long operational life, highly energy-efficient, emit little heat

d)

LEDs can be engineered to emit light at specific wavelengths