Q19-Q22

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