WorksheetsQ19-Q22
Total questions: 15
Worksheet time: 8mins
Which part of the eye receives the information and focuses it properly on objects and shapes?
The pupil
The iris
The retina
The eye lens
What is the function of the retina in the eye?
It controls the amount of light entering the eye.
It receives light and transmits information through the optic nerve.
It focuses light on objects and shapes.
It allows light to enter the inner part of the eye.
According to the law of reflection, what is true about the angle of incidence and the angle of reflection?
The angle of incidence is always greater.
The angle of reflection is always greater.
They are equal.
They are unrelated.
What is the role of the pupil in the eye?
It controls the amount of light entering the eye.
It receives light and transmits it to the brain.
It allows light to reach the inner part of the eye.
It focuses light on the retina.
What does the optic nerve do?
It controls the amount of light entering the eye.
It transmits information from the retina to the brain.
It focuses light on the retina.
It allows light to enter the eye.
Which part of the eye is located at the back of the eyeball?
The iris
The pupil
The retina
The eye lens
What is the main function of the eye lens?
To control the amount of light entering the eye
To focus light on objects and shapes
To transmit information to the brain
To allow light to enter the eye
How is wavelength defined in a wave?
The height of the wave
The distance between two crests
The number of waves per second
The maximum disturbance from rest
What is the distance between the crest of one wave and the crest of the next wave called?
Amplitude
Frequency
Wavelength
Speed
What is the frequency of a wave?
The number of cycles per second
The distance between two crests
The height of the wave
The maximum disturbance from rest
How many waves are shown in the diagram?
One
Two
Three
Four
What affects the frequency of a sound wave?
The height of the wave
The distance between waves
The number of waves
The speed of the wave
What is the common unit for very high frequencies?
Kilohertz (kHz) and gigahertz (GHz)
Meter (m) and centimeter (cm)
Second (s) and minute (min)
Watt (W) and joule (J)
What is the pattern repetition in the diagram?
Once
Twice
Three times
Four times
What is the term for the height of a sound wave?
Frequency
Amplitude
Wavelength
Pitch
