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Physics

Physics
What is colour of light related to ?

Frequency
Quality
Amplitude
Velocity

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Physics
The width of depletion layer of a P-N junction

Is increased under reverse bias
Decreases with light doping
Is independent of applied voltage
Increases with heavy doping

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Physics
Sprayer functions on

Bernouli's principle
Archemede's principle
Floatation principle
Pascal's law

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Physics
Which of the following is indicated by the colour of a star ?

Size
Temperature
Weight
Distance

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Physics
Which of the following is a device designed to protect electrical devices from voltage spikes?

Current unloader
Heat protector
Surge protector
Voltage unloader

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Physics
The fuse in our domestic electric circuit melts when there is a high rise in

Resistance
Capacitance
Current
Inductance

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