# 1pilihan
Which of the following wavelengths does infrared radiation fall between?
400nm-700nm
750nm-400000nm
200nm-400nm
10nm-400nm
Infrared Radiation
Hana Li
Ikut Turutan
Universiti
Lain-lain
Infrared Radiation
19
Universiti
Lain-lain
Infrared Radiation
19
10 soalan
Allow incorrect answer
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# 2pilihan
What is the primary natural source of infrared radiation?
The Moon
The Sun
Earth's Core
Artificial Heaters
# 3pilihan
Which type of infrared generator produces both light and heat?
Non-luminous generator
Luminous generator
Solar generator
Wave generator
# 4pilihan
What effect does the Cosine Law have on radiation absorption?
Increases absorption at larger angles
Decreases absorption at larger angles
Has no effect
Doubles absorption at all angles
# 5pilihan
Which physiological effect occurs due to the application of infrared radiation?
Decreased metabolism
Vasodilatation
Increased blood pressure
Muscle contraction
# 6pilihan
Which of the following is a contraindication for infrared radiation therapy?
Sub acute inflammation
Fever
Osteoarthritis
Muscle spasm
# 7pilihan
What safety measure should be taken to protect the eyes during infrared therapy?
Use of sunscreen
Moist cotton packs or goggles
Applying ice packs
Wearing hats
# 8pilihan
What is a potential hazard of infrared radiation therapy?
Increased intelligence
Burns or blisters
Decreased vision
Hair growth
# 9pilihan
Which law explains the relationship between the intensity of infrared rays and distance?
Stefan-Boltzman Law
Inverse Square Law
Arndt-Schulz Principle
Newton's Law
# 10pilihan
What is the recommended lamp positioning distance for infrared therapy?
10-20 cm
40-90 cm
100-150 cm
5-10 cm
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