What is the purpose of a periscope?

What is the purpose of a periscope?

Periscope, optical instrument 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.

What are the advantages of Periscope?

5 Benefits of Using Periscope:

• Increased Access to Guest Speakers. Allowing guest speakers access to student bodies around the world is something made popular by Skype.
• Creation of Multimedia Projects.
• Facilitating Interpersonal/Professional Relationships.
• Expanding Educational Opportunities.
• Decreasing Reliance on the Media Binary (TV and Video)

What is the importance of Periscope?

The periscope is an instrument for observation over, around or through the object, obstacle or condition that prevents direct line-of-sight observation from the observer’s current position, The periscope is used to monitor the dangerous chemical reactions in the laboratory and they are used in observing the nuclear …

Where is a periscope used in real life?

Uses Of Periscope It is used in submarines to determine the distance of a torpedo and helps in deciding the right time for the attack. It is used in a nuclear reactor to observe the chemical reactions that are taking place. In military periscopes are used to observe from their hiding position.

What is the function of plane mirrors in a periscope?

In Periscope plane mirrors are used to fold light so that image of an object can be brought down to a lower level. it is used for observing enemy movements from trenches without any danger of being seen . sailors on submarines use Periscopes to see things above the water level.

What is the easiest way to make a periscope?

Place a curved elbow joint pipe over each end of the pipe to make a periscope shape. Have the two openings point in opposite directions if you want to look around corners or over obstacles. Find two mirrors that fit the pipe. These mirrors must be small enough to insert each one into one end of the pipe.

What is the meaning of Periscope?

A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer’s current position. In its simplest form, it consists of an outer case with mirrors at each end set parallel to each other at a 45° angle.

How do you make a telescope out of cardboard at home?

Instructions

1. Gather your supplies.
2. Place your cardboard tube on the bottom of your paper cup and trace around the tube using a pen.
3. Remove the tube.
4. Have an adult use a craft knife to cut the lines inside the circle to create (8) flaps.
5. Push the flaps inward.
6. Now you will decorate the lens of your telescope.

Can we make telescope at home?

To make a simple telescope at home, you will need the following: two magnifying glasses – perhaps 1 – 1.5 inches (2.5-3 cm) diameter (it works best if one is larger than the other) a cardboard tube – paper towel roll or gift-wrapping paper roll (it helps if it is long) duct tape.

How can I make my astronomical telescope at home stronger?

Things You’ll Need

1. Cardboard telescoping mailing tube with a diameter of 50 mm and a length of 1,100 mm.
2. Concave-convex lens (the objective lens) with a diameter of 49 mm and a focal length of 1,350 mm.
3. Plano-concave lens (the eyepiece) with a diameter of 49 mm and a focal length of 152 mm.
4. Coping saw.
5. Box cutter.

How can I make a telescope lens at home?

Method 2: Making a Telescope with Lenses

1. Gather materials.
2. Cut the outer tube in half.
3. Cut 2 pieces from the inner tube of the mailing tube.
4. Make eye-hole in mailing tube cap.
5. Drill holes on the outside of the large tube.
6. Glue eyepiece lens against removable cap.
7. Cut off closed end of outer tube.

How do you build a refracting telescope?

Make a Refractor Telescope

1. A pair of reading glasses of approximately 2 diopters (those used by people who are farsighted).
2. A strong magnifying glass, or a lens from a pair of kids’ binoculars.
3. Two cardboard tubes approximately 25 cm long.
4. Masking tape.
5. Scissors.

What two lenses are needed to make a telescope?

Two lenses are needed to build a telescope. We call these the “objective” lens and the “eyepiece” lens. The “Objective” lens should always be a convex lens. Convex lenses are thicker in the middle, and can be used as magnifying glasses or for concentrating sunlight.