4.1 – Verifying the Lens Equation (Leaving Cert Physics): Quizzes

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4.1 – Verifying the Lens Equation
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What is the lens equation?

1f=1u+1v\frac{1}{f} = \frac{1}{u} + \frac{1}{v}

In the lens equation, what does vv represent?

Image distance from lens to image

What condition must be met for a converging lens to form a real image on a screen?

Object distance must exceed focal length

Which equipment acts as the object in this experiment?

Illuminated cross-threads

How is the focal length initially estimated in Step 1?

Focus on distant object; measure lens to image

To how many significant figures should distance measurements be recorded?

Three significant figures

What is the minimum total number of measurements required in this experiment?

5 measurements

In the graphical analysis method, what should be plotted?

1u\frac{1}{u} against 1v\frac{1}{v}

What value do both axis intercepts equal on the 1u\frac{1}{u} vs 1v\frac{1}{v} graph?

1f\frac{1}{f}

What shape does the graph of 1u\frac{1}{u} against 1v\frac{1}{v} produce?

Straight line with negative slope

What type of error results from judging when the image is in sharpest focus?

Random error in measuring vv

What type of error occurs if distances are measured to the lens surface instead of its centre?

Systematic error in uu and vv

Explore Leaving Cert Physics Revision Notes by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

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6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

8.1 – Investigating Force, Mass and Acceleration Relationships

8.1 – Investigating Force, Mass and Acceleration Relationships

8.2 – Investigating Conservation of Momentum

8.2 – Investigating Conservation of Momentum

9.1 – Determining Acceleration Due to Gravity

9.1 – Determining Acceleration Due to Gravity

10.1 – Investigating Conservation of Energy on a Ramp

10.1 – Investigating Conservation of Energy on a Ramp

12.1 – Investigating Work and Energy in Stretching or Compression

12.1 – Investigating Work and Energy in Stretching or Compression

12.2 – Verifying Hooke’s Law

12.2 – Verifying Hooke’s Law

13.1 – Investigating Alcohol as a Thermometer Liquid

13.1 – Investigating Alcohol as a Thermometer Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.2 – Determining the Latent Heat of Fusion and Vaporisation

14.2 – Determining the Latent Heat of Fusion and Vaporisation

16.1 – Verifying the Stretching of a Spring (Tension Model)

16.1 – Verifying the Stretching of a Spring (Tension Model)

17.1 – Measuring the Wavelength of Light

17.1 – Measuring the Wavelength of Light

22.1 – Investigating Current and Voltage Relationships

22.1 – Investigating Current and Voltage Relationships

22.2 – Investigating Resistance in Series and Parallel

22.2 – Investigating Resistance in Series and Parallel

22.3 – Investigating the Effect of Temperature on Resistance

22.3 – Investigating the Effect of Temperature on Resistance

23.1 – Investigating Current and Voltage in a Filament Lamp

23.1 – Investigating Current and Voltage in a Filament Lamp

24.1 – Investigating Current and Voltage in a Semiconductor Diode

24.1 – Investigating Current and Voltage in a Semiconductor Diode

Explore Leaving Cert Physics Model Answers by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

Show more

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

8.1 – Investigating Force, Mass and Acceleration Relationships

8.1 – Investigating Force, Mass and Acceleration Relationships

8.2 – Investigating Conservation of Momentum

8.2 – Investigating Conservation of Momentum

9.1 – Determining Acceleration Due to Gravity

9.1 – Determining Acceleration Due to Gravity

10.1 – Investigating Conservation of Energy on a Ramp

10.1 – Investigating Conservation of Energy on a Ramp

12.1 – Investigating Work and Energy in Stretching or Compression

12.1 – Investigating Work and Energy in Stretching or Compression

12.2 – Verifying Hooke’s Law

12.2 – Verifying Hooke’s Law

13.1 – Investigating Alcohol as a Thermometer Liquid

13.1 – Investigating Alcohol as a Thermometer Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.2 – Determining the Latent Heat of Fusion and Vaporisation

14.2 – Determining the Latent Heat of Fusion and Vaporisation

16.1 – Verifying the Stretching of a Spring (Tension Model)

16.1 – Verifying the Stretching of a Spring (Tension Model)

17.1 – Measuring the Wavelength of Light

17.1 – Measuring the Wavelength of Light

22.1 – Investigating Current and Voltage Relationships

22.1 – Investigating Current and Voltage Relationships

22.2 – Investigating Resistance in Series and Parallel

22.2 – Investigating Resistance in Series and Parallel

22.3 – Investigating the Effect of Temperature on Resistance

22.3 – Investigating the Effect of Temperature on Resistance

23.1 – Investigating Current and Voltage in a Filament Lamp

23.1 – Investigating Current and Voltage in a Filament Lamp

24.1 – Investigating Current and Voltage in a Semiconductor Diode

24.1 – Investigating Current and Voltage in a Semiconductor Diode

Explore Leaving Cert Physics Flashcards by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

Show more

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

8.1 – Investigating Force, Mass and Acceleration Relationships

8.1 – Investigating Force, Mass and Acceleration Relationships

8.2 – Investigating Conservation of Momentum

8.2 – Investigating Conservation of Momentum

9.1 – Determining Acceleration Due to Gravity

9.1 – Determining Acceleration Due to Gravity

10.1 – Investigating Conservation of Energy on a Ramp

10.1 – Investigating Conservation of Energy on a Ramp

12.1 – Investigating Work and Energy in Stretching or Compression

12.1 – Investigating Work and Energy in Stretching or Compression

12.2 – Verifying Hooke’s Law

12.2 – Verifying Hooke’s Law

13.1 – Investigating Alcohol as a Thermometer Liquid

13.1 – Investigating Alcohol as a Thermometer Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.2 – Determining the Latent Heat of Fusion and Vaporisation

14.2 – Determining the Latent Heat of Fusion and Vaporisation

16.1 – Verifying the Stretching of a Spring (Tension Model)

16.1 – Verifying the Stretching of a Spring (Tension Model)

17.1 – Measuring the Wavelength of Light

17.1 – Measuring the Wavelength of Light

22.1 – Investigating Current and Voltage Relationships

22.1 – Investigating Current and Voltage Relationships

22.2 – Investigating Resistance in Series and Parallel

22.2 – Investigating Resistance in Series and Parallel

22.3 – Investigating the Effect of Temperature on Resistance

22.3 – Investigating the Effect of Temperature on Resistance

23.1 – Investigating Current and Voltage in a Filament Lamp

23.1 – Investigating Current and Voltage in a Filament Lamp

24.1 – Investigating Current and Voltage in a Semiconductor Diode

24.1 – Investigating Current and Voltage in a Semiconductor Diode

Explore Leaving Cert Physics Exam Questions by Topics

3.1 – Calculations of Refraction of Light

3.1 – Calculations of Refraction of Light

3.2 – Measuring the Critical Angle and Refractive Index

3.2 – Measuring the Critical Angle and Refractive Index

4.1 – Verifying the Lens Equation

4.1 – Verifying the Lens Equation

5.1 – Investigating Constant Velocity Using a Trolley or Rider

5.1 – Investigating Constant Velocity Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

Show more

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.1 – Investigating Accelerated Motion Using a Trolley or Rider

6.2 – Determining Acceleration Due to Gravity

6.2 – Determining Acceleration Due to Gravity

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

6.3 – Determining Acceleration Due to Gravity Using a Simple Pendulum

7.1 – Verifying the Law of Vector Addition

7.1 – Verifying the Law of Vector Addition

8.1 – Investigating Force, Mass and Acceleration Relationships

8.1 – Investigating Force, Mass and Acceleration Relationships

8.2 – Investigating Conservation of Momentum

8.2 – Investigating Conservation of Momentum

9.1 – Determining Acceleration Due to Gravity

9.1 – Determining Acceleration Due to Gravity

10.1 – Investigating Conservation of Energy on a Ramp

10.1 – Investigating Conservation of Energy on a Ramp

12.1 – Investigating Work and Energy in Stretching or Compression

12.1 – Investigating Work and Energy in Stretching or Compression

12.2 – Verifying Hooke’s Law

12.2 – Verifying Hooke’s Law

13.1 – Investigating Alcohol as a Thermometer Liquid

13.1 – Investigating Alcohol as a Thermometer Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.1 – Determining the Specific Heat Capacity of a Liquid

14.2 – Determining the Latent Heat of Fusion and Vaporisation

14.2 – Determining the Latent Heat of Fusion and Vaporisation

16.1 – Verifying the Stretching of a Spring (Tension Model)

16.1 – Verifying the Stretching of a Spring (Tension Model)

17.1 – Measuring the Wavelength of Light

17.1 – Measuring the Wavelength of Light

22.1 – Investigating Current and Voltage Relationships

22.1 – Investigating Current and Voltage Relationships

22.2 – Investigating Resistance in Series and Parallel

22.2 – Investigating Resistance in Series and Parallel

22.3 – Investigating the Effect of Temperature on Resistance

22.3 – Investigating the Effect of Temperature on Resistance

23.1 – Investigating Current and Voltage in a Filament Lamp

23.1 – Investigating Current and Voltage in a Filament Lamp

24.1 – Investigating Current and Voltage in a Semiconductor Diode

24.1 – Investigating Current and Voltage in a Semiconductor Diode

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