Physics Peer Teaching

Identify the red question mark

• Density

• Time period

• Trough

• Wavelength

What is the SI unit of Amplitude?

What is the definition of frequency?

Flash and thunder are produced simultaneously. But thunder is heard a few seconds after the flash is seen, why ?

• The speed of sound and light are equal

• speed of light is slower than the speed of sound

• speed of sound is faster than the speed of light

• speed of sound is slower than the the speed of light

What are the characteristics of wave motion?

• It is a periodic disturbance

• Energy transfer takes place at a constant speed.

• Particles of medium vibrate in the direction of propagation

• Particles vibrate parallel to the direction of waves.

Which of the following color has the lowest wavelength

• Red

• Indigo

• Yellow

• Green

 Put the visible light colors in order from longest wavelength to shortest wavelength

• Violet, Blue, Green, Orange, Yellow, Red

• Red, Yellow, Green, Orange, Violet, Blue

• Red, Orange, Yellow, Green, Blue, Violet

• Blue, Violet, Green, Yellow, Orange, Red

what is the distance between two crests or two troughs of a wave called?

"Particles the medium vibrate at right angles" (Which wave is this referring to?)

• Longitudinal

• Transverse

• Electromagnetic

• UV

What is the frequency of a wave whose time period is 0.05 s?

• 10 Hz

• 20 Hz

• 15 Hz

• 21 Hz