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Physics

Physics
Which among the following determines the pitch of a sound?

Loudness
Wavelength
Frequency
Amplitude

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Physics
Which of the following circuit elements is used to ''block" DC in an electronic circuit ?

Capacitance
Resistances
Diode
Inductance

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Physics
A rear-view mirror for driving is

Plain
Convex
Concave
Inverted

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Physics
In the atmosphere ultraviolet rays are absorbed by

Helium
Oxygen
Ozone
Nitrogen

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Physics
The hydraulic brakes used in automobiles is a direct application of :

Archimedes' principle
Toricellian law
Bernoulli's theorem
Pascal's law

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Physics
Pure water is bad conductor of electricity because it is

Not volatile
A very good solvent
Feebly ionized
A non-polar solvent

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