science group (1)

SEE THROUGH ME!

MEMBERS: LOUISE, PUTRA, KENNY, RADHA
& DIORA

Background

We are able to see because light from an
object can move through space and reach our
eyes. Light travels on a straight line and mirror
reflect it.
When a light ray hits an object and bounces
off, it is called reflection. Mirrors are very good
at reflecting, they reflect most of the light that
hits them. By placing mirrors in the right way
we can also deflect light and send it in the
specific direction.

In 1854, Hippolyte Marié-Davy invented the
first naval periscope, consisting of a vertical
tube with two small mirrors fixed at each end
at 45°. Simon Lake used periscopes in his
submarines in 1902. Sir Howard Grubb
perfected the device in World War I.

Aim Outcome

1. To deliver knowledge to the
readers so that they can
receive new information about
how useful periscope really is.

2. To get the highest grade in
Science class in this topic.

3.To educate readers about the
importance of reflection in our
life.

Research Data

From the research we have, we figured that
how periscope work is just simply a
reflection of 2 mirrors with the same
angle. The light from the image we see
through the periscope reflect its light to
the first mirror and reflect it back to the
second mirror and it goes through our eyes.

Reflection is when light bounces off an
object. If the surface is smooth and shiny,
like glass, water or polished metal, the
light will reflect at the same angle as it
hit the surface.

Discussion

Periscope is used in land and sea
warfare, submarine navigation, and
elsewhere to enable an observer to
see his surroundings while
remaining under cover, behind
armour, or submerged.

Illustration

Conclusion

From all of the informations we
got, we conclude that in order to
see through periscope, there must
be reflections between 2 mirrors to
allow us to see the few up on the

surface.

Resources




1. https://www.nasa.gov/pdf/350528main_
Optics_Making_a_Periscope.pdf

2. https://en.wikipedia.org/wiki/Periscope#
:~:text=In%201854%2C%20Hippolyte%
20Mari%C3%A9%2DDavy,device%20i
n%20World%20War%20I

3. https://www.exploratorium.edu/science
_explorer/periscope.html

Wave Length: 11,5 Cm
Amplitude: 10 cm
Frequency: 3 HZ
Speed: 1 Second

Frequency: 5.3 hz
Amplitude: 6cm
Wavelength: 5.3cm

FREQUENCY: 1.5 HZ
WAVELENGTH: 21 CM
AMPLITUDE: 7.5 CM
SPEED: 33.2 CM/S

Description:
Wavelength: 4cm
Frequency: 5 hz

Time: 1 second
Amplitude: 3cm

Description
1. Frequency :1.5 Hz
2. Amplitude: 8 cm
3. Wavelength: 16 cm