REVIEW IN SCIENCE 7 Q3

Which refers to the shortest distance between two positions of an object?

• Displacement

• Distance

• Motion

• Time

Which refers to the length of the entire path traveled by an object?

• Displacement

• Distance

• Motion

• Time

What time of wave needs a medium to propagate?

• Electromagnetic waves

• Microwaves

• Mechanical waves

• Ultraviolet

Which of the following waves occur when the individual particles or segment of a medium vibrate from side to side PERPENDICULAR to the direction in which the waves travel?

• Electromagnetic

• Mechanical

• Longitudinal

• Transverse

Which refers to the distance between any successive identical parts of the wave?

• Amplitude

• Frequency

• Period

• Wavelength

Which can be a medium for a wave?

• Vacumm

• Water

• Space

• Air

Which of the following is NOT capable of transporting sound?

• Air

• Vacumm

• Water

• Ice

Humans can only sense within the frequency range about 20 Hz- 20000 Hz. This is call

• Infrasonic

• Ultrasonic

• Audible

• None of these

The following are electromagnetic waves. EXCEPT

• Infrared

• Gamma rays

• Sound

• X-rays

Which electromagnetic wave is used in a microscope

• Visible light

• Ultraviolet light

• Infrared radiation

• Gamma rays