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Physics

Physics
A permanent magnet can affect

Electromagnets
Magnets
Both A & B
None of these

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Physics
In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation

Field
Transverse
Rolling
Longitudinal

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Physics
Land is considered a resource because it

Is always available to use
Is used to produce things
Requires labor to be useful
Costs little or nothing to use

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Physics
Electrical burns occur principally because of

The high energy of electrons
Radiation pulses of the electricity
The heat generated by the flow of electrical current through the body
All of these

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Physics
Quality of a musical note depends on

Harmonics present
Amplitude of the wave
Velocity of sound in the medium
Fundamental frequency

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Physics
Optic fibres are used in :

CAT scans
X-ray photos
Ultrasound scans
Endoscopy

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