Level 8 Physics Pre-Test

What is the primary function of a curved mirror in forming images?

• To absorb light

• To reflect light

• To refract light

• To disperse light

Which type of lens is used to converge light rays to a focal point?

• Concave lens

• Convex lens

• Plane lens

• Cylindrical lens

What phenomenon occurs when light is dispersed to produce a spectrum?

• Reflection

• Refraction

• Diffraction

• Dispersion

Which of the following is part of the larger spectrum of radiation?

• Visible light

• Sound waves

• Mechanical waves

• Gravitational waves

What is the wave model used to explain the properties of sound?

• Particle model

• Wave model

• Quantum model

• String model

Which of the following best describes a sound wave?

• Transverse wave

• Longitudinal wave

• Electromagnetic wave

• Surface wave

What is the unit of frequency for sound waves?

• Metres

• Hertz

• Joules

• Newtons

Which of the following colours of light has the shortest wavelength?

• Red

• Green

• Blue

• Violet

What is the term for the bending of light as it passes through a lens?

• Reflection

• Refraction

• Diffusion

• Absorption

Which type of mirror can form a real image?

• Plane mirror

• Concave mirror

• Convex mirror

• Cylindrical mirror