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Physics

Physics
At the center of the sun, fusion converts hydrogen into

Water
Plutonium
Carbon
Helium

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Physics
Which of the following has the longest wavelength?

Infrared radiation
Ultraviolet radiation
Visible radiation
X-ray radiation

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Physics
Magnetic field lines about a current-carrying wire

Extend radially from the wire
Both of these
None of these
Circle the wire in closed loops

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Physics
Optical fiber works on the principle of

Refraction
Total internal reflection
Interference
Scattering

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Physics
The bending of light when it passes around a corner or a slit is due to ________

Reflection
Diffraction
Refraction
Total internal reflection

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Physics
A wave with high amplitude have

High energy
High pitch
Low pitch
Low energy

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