AFNS — AFNS Physics

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#25

Total internal reflection used in:

A) Optical fiber

B) Only mirrors flat

C) Only lenses

D) Only prisms absorb

Answer:   A
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#26

Photoelectric effect shows:

A) Quantum light

B) Only wave

C) No electrons

D) Gravity

Answer:   A
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#27

Laser light is:

A) Coherent monochromatic

B) Incoherent white

C) Random phases

D) Broad spectrum always

Answer:   A
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#28

Nuclear fission:

A) Heavy nucleus splits

B) Light fusion

C) Electron emission

D) Chemical reaction

Answer:   A
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#29

Nuclear fusion in:

A) Stars

B) Battery

C) Wire resistor

D) Capacitor

Answer:   A
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#30

Half-life radioactive:

A) Statistical decay rate

B) All decay same instant

C) Linear always

D) No decay

Answer:   A
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#31

X-rays used in:

A) Medical imaging

B) Only sound

C) Only cooking

D) Only magnets

Answer:   A
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#32

MRI uses:

A) Magnetic fields and RF

B) Only X-ray

C) Only ultrasound

D) Only light visible

Answer:   A
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