Physics Quiz: Waves

What equipment is needed to investigate the refraction of light using rectangular blocks, semi-circular blocks, and triangular prisms?

• Compass, Stopwatch, Ruler, Calculator

• Bunsen burner, Test tubes, Beaker, Thermometer

• Power supply, Ray box, Protractor, Paper

• Microscope, Petri dish, Pipette, Slide

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What safety precaution should be taken when working with the ray box?

• Avoid touching any metal surfaces during and just after use

• Handle the ray box with wet hands

• Leave the ray box on when not in use

• Look directly at the ray box light

What is the formula to calculate the refractive index of glass when light enters from air?

• n = sec(i) / sec(r)

• n = tan(i) / tan(r)

• n = cos(i) / cos(r)

• n = sin(i) / sin(r)

What is the speed of sound in air approximately?

• 330 m/s

• 1000 m/s

• 250 m/s

• 500 m/s

Tags

NGSS.HS-PS4-1

What is the purpose of using an instrument tuner when investigating the frequency of a sound wave?

• To change the frequency of the wave

• To increase the amplitude of the wave

• To create interference patterns

• To check the accuracy of the measurement

Tags

NGSS.HS-PS4-1

What should be done to ensure clear waveforms when using an oscilloscope?

• Decrease the volume of the sound

• Alter the oscilloscope settings

• Increase the room temperature

• Use a different microphone

What is the method to investigate the speed of sound in air using the echo method?

• Shine light through a glass block and measure the angles of refraction

• Create interference patterns using a microphone and an oscilloscope

• Blow air into a tube and measure the frequency of the sound produced

• Strike two blocks together and measure the time taken for the sound to travel a distance

Tags

NGSS.HS-PS4-1

What is the angle that needs to be drawn 90º to the surface of the glass block when investigating the refractive index of glass?

• Perpendicular

• Tangent

• Parallel

• Normal

What should be used to measure the distance between two peaks when investigating the frequency of a sound wave?

• Time base

• Protractor

• Ruler

• Compass

Tags

NGSS.HS-PS4-1

What is the calculation to find the time period of a sound wave?

• Time period = 1/frequency

• Time period = frequency

• Time period = speed

• Time period = wavelength

Tags

NGSS.HS-PS4-1