Physics & Space Quiz

What is the speed of light in a vacuum?

Which type of wave requires a medium to travel through?

• Electromagnetic waves

• Sound waves

• Light waves

• Gamma rays

What is the phenomenon called when light bends as it passes from one medium to another?

• Reflection

• Refraction

• Diffraction

• Dispersion

Which part of the electromagnetic spectrum has the shortest wavelength?

• Radio waves

• Infrared

• Ultraviolet

• Gamma rays

What type of lens is thicker at the centre than at the edges?

• Concave lens

• Convex lens

• Cylindrical lens

• Planar lens

What is the term for the distance between two consecutive crests of a wave?

• Amplitude

• Frequency

• Wavelength

• Period

Which of the following is NOT a property of light?

• It can be reflected

• It can be refracted

• It can be compressed

• It travels in straight lines

What is the unit of frequency?

• Hertz

• Metre

• Second

• Joule

Which of the following is a transverse wave?

• Sound wave

• Water wave

• Seismic P-wave

• Longitudinal wave

What is the term for the bouncing back of light from a surface?

• Refraction

• Reflection

• Diffraction

• Absorption