DAMILOLA'S QUIZ

A disturbance in a medium which transmit energy from one point to the other without the movement of the medium is known as

• Shadows

• Sounds

• Waves

• Echoes

The SI unit of frequency is

• Hertz

• Meters

• Second

• Newton

The time it took a wave to make a complete cycle is called

• Seconds

• Frequency

• Period

• Revolution

A wave travels five complete cycle in one second, what is the period of the wave?

• 0.1 s

• 0.2 s

• 0.3 s

• 0.4 s

One of these is not a property of a wave

• Transmission

• Reflection

• Diffraction

• Interference

A wave that can be transmitted through a material medium is known as

• Transverse

• Longitudinal

• Electromagnetic

• Mechanical

A wave in which the vibration of its particle is perpendicular to the direction of the wave motion is known as

• Transverse

• Longitudinal

• Electromagnetic

• Mechanical

One of these is not a property of an image in a plane mirror

• Erect

• Real

• Same distance as object

• Same size as object

The left hand appears to be right hand when image is viewed from a plane mirror. what property of a plane mirror is that?

• Plane polarization

• Image rotation

• Lateral inversion

• Optical illusion

The ratio of the sine of a angle of incident to the sine of angle of reflection is equal to a constant. This statement is referred to as

• Sine law

• Reflection law

• Snell's law

• Refraction law