Q2 Science 10: Electromagnetic Spectrum and Radiologic Technology

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What type of reflection occurs when light is reflected from a smooth surface at a definite angle?

Inverted Reflection

Irregular / Diffuse

Virtual Reflection

Regular / Specular (correct)

Where are the images produced by plane mirrors located?

Behind the mirror (correct)

On the surface of the mirror

In front of the mirror

At the center of the mirror

Which type of radiation has the lowest frequency and energy in the visible light spectrum?

Gamma Ray

Radio Wave

Violet

Red (correct)

Who discovered the Microwave in 1864?

James Clerk Maxwell Signup and view all the answers

Which type of radiation can penetrate the skin a few centimeters and cause damage inside the body?

Beta Radiation Signup and view all the answers

Which type of wave can travel in vacuum without requiring a medium to travel?

Electromagnetic wave Signup and view all the answers

What is the equation to find the frequency of an electromagnetic wave?

$f = \frac{c}{\lambda}$ Signup and view all the answers

Which type of radiation is responsible for Vitamin D production through sun exposure?

Ultraviolet ray Signup and view all the answers

What type of electromagnetic wave is used in night-vision goggles and thermal scanners?

Infrared wave Signup and view all the answers

What is the speed at which electromagnetic waves travel in free space?

$3 \times 10^8$ m/s Signup and view all the answers

What is the recommended power range for a soldering iron used in electronics works?

20 to 40 watts Signup and view all the answers

Which tool is used to remove unwanted solder without destroying the electronic component or work piece?

Desoldering Tool Signup and view all the answers

What type of screw head is characterized by a 6-point star-shaped pattern?

Torx Signup and view all the answers

What classification of handtools includes tools used to drive bolts and screws with hexagonal sockets in their heads?

Driving Tools Signup and view all the answers

What is the purpose of a soldering iron stand?

To hold the soldering iron while not in use and prevent accidental burns Signup and view all the answers

What is the purpose of a hot-air soldering station?

To melt solder using hot air, commonly used in cellular phones Signup and view all the answers

Which tool is used to remove the insulation of wires?

Wire Stripper Signup and view all the answers

What is the purpose of a magnifying glass in the context of electronics?

To enlarge the image of electronic components Signup and view all the answers

What is the main function of a portable electric drill in the context of electronics?

To make holes on printed circuit boards (PCBs) Signup and view all the answers

What does a multitester (multimeter) measure in the context of electronics?

Current, resistance, and voltage Signup and view all the answers