Year 9 Physics Assessment Practice Quiz

1. Which of the following best describes the movement of particles in a wave?

• Particles move from one place to another

• Particles oscillate around a fixed point

• Particles remain completely stationary

• Particles move in a circular motion

2. What type of wave is sound?

• Transverse

• Longitudinal

• Electromagnetic

• Gravity

3. Which part of the ear converts sound vibrations into electrical signals?

• Eardrum

• Cochlea

• Ear Canal

• Auditory nerve

4. Electromagnetic waves are:

• Transverse

• Longitudinal

• Both transverse and longitudinal

• Neither transverse nor longitudinal

5. Which type of electromagnetic radiation has the longest wavelength?

• Gamma rays

• X-rays

• Visible light

• Radio waves

6. According to the law of reflection, what is true about the angle of incidence and the angle of reflection?

• They are always different

• They are always equal

• The angle of reflection is always larger

• The angle of incidence is always larger

7. What happens to the speed of light when it passes from air into glass?

• It increases

• It decreases

• It stays the same

• It reverses direction

8. Which part of the eye controls the amount of light entering?

• Lens

• Iris

• Retina

• Optic nerve

9. What is the function of the lens in the human eye?

• To detect light

• To focus light onto the retina

• To convert light into electrical signals

• To control the amount of light entering the eye

10. What is the primary function of the retina in the human eye?

• To protect the eye from dust

• To control the amount of light entering the eye

• To detect light and convert it into neural signals

• To focus light