Comprehensive Experiments on Rotating Liquid Lab Experiments

This apparatus is designed to study the properties of a rotating liquid surface and determine the acceleration due to gravity. It enables the verification of the parabolic shape of rotating liquids, measurement of gravitational acceleration using optical methods, and investigation of image formation by a liquid concave mirror. Physics Lab Experiments from Atico Exports.

Experiments:

1. Determination of Gravitational Acceleration (g)

Method A: Height Difference Measurement

• Measure the height difference between the highest and lowest points of the rotating liquid surface
• Calculate gravitational acceleration using the parabolic surface equation
• Verify the relationship between rotational speed and surface curvature

Method B: Laser Surface Slope Measurement

• Direct a laser beam parallel to the axis of rotation
• Measure the slope of the rotating liquid surface
• Determine gravitational acceleration from optical measurements

2. Verification of the Focal Length–Rotation Relationship

• Verify the relationship between focal length and rotational period
• Analyze the parabolic equation describing the rotating liquid surface
• Study the dependence of mirror curvature on rotational speed

3. Liquid Concave Mirror Imaging

• Investigate image formation by the rotating liquid surface
• Observe focal properties of the liquid concave mirror
• Study practical applications of parabolic reflective surfaces

• Measurement of Gravitational Acceleration
• Rotational Dynamics Studies
• Fluid Mechanics Experiments
• Parabolic Surface Investigations
• Optical Imaging Demonstrations
• Geometrical Optics Education
• Undergraduate Physics Laboratory Training

Semiconductor Lasers

• Quantity: 2
• Output Power: 2 mW Each
• Adjustable Spot Beam Diameter: Less than 1 mm
• One Divergent Beam
• Mounted on a Two-Dimensional Adjustable Holder

Cylinder Container

• Material: Transparent Plexiglass
• Height: 90 mm
• Inner Diameter: 140 ± 2 mm

Motor Drive System

• Adjustable Speed
• Maximum Speed: Less Than 0.45 s Per Revolution

Speed Measurement

• Range: 0 to 9.999 s
• Accuracy: 0.001 s

Scale Rulers

Vertical Ruler

• Length: 490 mm
• Minimum Division: 1 mm

Horizontal Ruler

• Length: 220 mm
• Minimum Division: 1 mm

• Two Independent Methods for Determining g
• Integrated Laser-Based Optical Measurement System
• Direct Observation of Parabolic Liquid Surfaces
• Demonstrates Both Fluid Mechanics and Optical Principles
• High-Accuracy Rotational Speed Measurement
• Transparent Container for Clear Visualization
• Ideal for Mechanics and Optics Laboratory Experiments