# Measurement & Units

## K8-33: NANOSECOND CABLES

Purpose: Cables which delay a signal by a fixed time interval.

## I3-01: BAROMETER - ANEROID TYPE

Category: I3 Gases
Purpose: Indicate air pressure.

## I1-01: THERMOMETERS

Purpose: Show several types of thermometers.

## H1-31: SOUND LEVEL METER

Category: H1 Nature of Sound
Purpose: Demonstrate use of a sound level meter.

## H1-11: MICROPHONE AND OSCILLOSCOPE

Category: H1 Nature of Sound
Purpose: Show the wave shape of various sounds.

## G1-55: INERTIA BALANCE

Purpose: Illustrate the measurement of inertial mass using SHM.

## G2-06: FRAHM'S FREQUENCY METER

Purpose: Check the 60 Hz line voltage frequency.

## F2-41: DENSITY - SLOPE OF MASS VS VOLUME GRAPH

Category: F2 Buoyancy
Purpose: Determine the density of water.

## F2-11: HYDROMETER

Category: F2 Buoyancy
Purpose: Measure the density of a liquid.

## B4-21: DEFLECTION OF BEAM - OPTICAL LEVER

Category: B4 Elasticity
Purpose: Demonstrate the small deflection of an aluminum beam due to weighting between supports.

## E2-02: MEASUREMENT OF RADIUS OF EARTH

Category: E2 Astronomy
Purpose: Demonstrate how the radius of the earth can be measured using trigonometry.

## P4-51: MILLIKAN OIL DROP MODEL

Purpose: Demonstrate geometry for the Millikan oil drop experiment.

## B2-41: ROBERVAL BALANCE

Purpose: Demonstrate a paradox in equilibrium of forces and torques

## A2-32: HEIGHT MEASUREMENT BY TRIGONOMETRY

Category: A2 Mathematics
Purpose: Determine the height of a student using trigonometry

## A1-32: VOLUMES - SPHERICAL VS CYLINDRICAL

Purpose: Illustrate a volume perception paradox

## A1-22: HOURGLASS

Purpose: Show an hourglass

## A1-12: METRIC TAPE

Purpose: Make measurements in the metric system

## A1-02: MASSES - CHROME PLATED

Purpose: Show a collection of calibrated masses

## K8-04: SPEED OF LIGHT

Purpose: Measure the speed of light
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• #### K8-01 ELECTROMAGNETIC WAVE - MODEL

Shows the relationship between the electric and magnetic field vectors in a plane-polarized traveling electromagnetic wave Read More
• #### K8-03 LIGHT NANOSECOND

Shows the distance light travels in one nanosecond Read More
• #### K8-04: SPEED OF LIGHT

Measure the speed of light Read More
• #### K8-05: ELECTROMAGNETIC PLANE WAVE MODEL

Illustrate the geometry of a polarized electromagnetic plane wave Read More
• #### K8-11: MICROWAVES - STANDING WAVES

Demonstrate microwave standing waves Read More

• #### K8-13: RADIOWAVES - LECHER WIRE STANDING WAVES

Illustrate standing electromagnetic waves in a high-impedance transmission line Read More
• #### K8-14: RADIOWAVES - STANDING WAVES IN AN ANTENNA

Show standing waves in a dipole antenna Read More
• #### K8-21: MICROWAVES - WAVEGUIDES

See what microwave waveguide components look like and to discuss their functions Read More
• #### K8-22: MICROWAVES - TUBULAR WAVEGUIDE

Demonstrate transmission of microwaves in a tubular "waveguide" Read More
• #### K8-31: TRANSMISSION LINE SAMPLE

Show a large coaxial cable transmission line Read More
• #### K8-32: PULSES IN TRANSMISSION LINES

Demonstrate the reflection of pulses in terminated and unterminated transmission lines and to determine the speed of an electromagnetic wave Read More
• #### K8-33: NANOSECOND CABLES

Cables which delay a signal by a fixed time interval Read More
• #### K8-41: HERTZIAN DIPOLES

Show the shape and polarization of the radiation field around a dipole antenna Read More
• #### K8-42: RADIOWAVES - ENERGY AND DIPOLE PATTERN

Demonstrates transmission of energy in electromagnetic waves. Shows the radiation pattern of the dipole antenna Read More