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What things are 38cm?

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What things are 38cm?

How deep is 38 centimeters?

  • It’s about as tall as a Bowling Pin.
  • It’s about three-fifths as long as a Woman’s Footstep.
  • It’s about half as long as a Man’s Footstep.
  • It’s about half as tall as Verne Troyer.
  • It’s about two-fifths as tall as General Tom Thumb.
  • It’s about one-third as tall as Kenny Baker.

At what distance from a converging mirror with a 38 cm focal length should an object be placed so that its image is the same distance from the mirror as the object?

The object should be placed between 15cm and 30 cm( Between f and 2f) from the converging lens to obtain a real and magnified image.

What is the power of converging lens?

Converging lenses have positive optical power, while diverging lenses have negative power. When a lens is immersed in a refractive medium, its optical power and focal length change.

What objects are 1 mm long?

A millimeter is about the thickness of a plastic id card (or credit card)….Lots of Examples

  • about as long as a staple.
  • the width of a highlighter.
  • the diameter of a belly button.
  • the width of 5 CD’s stacked on top of each other.
  • the thickness of a notepad.
  • the radius (half the diameter) of a US penny.

Which is the longest length?

Kilometers are the longest unit of metric measurement. The abbreviation for kilometers is ‘km”. Like miles, kilometers are used to measure long distances, There are 1,000 meters in a kilometer.

Why is the image distance negative?

In the case of the image distance, a negative value always means the image is located on the object’s side of the lens. Note also that the image height is a positive value, meaning an upright image. Any image that is upright and located on the object’s side of the lens is considered to be a virtual image.

How to measure the size of an object with a ruler?

How to use a ruler. Record distances by the name of the line that it most closely matches. If the length of an object goes to one mark past the halfway mark on your ruler then it will be 9/16 inch on an English ruler or 6/10 cm (or 6 mm) on a metric ruler.

Which is longer a centimeter or a meter?

Centimeter (centimetre) is a metric system length unit. 1 cm = 0.01 m. The symbol is ” cm “. Please visit all length units conversion to convert all length units. Centimeters to Meters Conversion Table

How to calculate the field diameter of a microscope?

Field diameter x total magnification = a constant Field diameter x 400X= 145 Field diameter = 145/400 Field diameter = 0.36 mm (Field diameter = 360 µm)