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Physics

Physics
Sound of frequency below 20 Hz is called

infrasonic
audio sounds
supersonics
ultrasonic

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Physics
The unit of Planck's constant is

Js
J/s
Js2
Js–2

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Physics
Which of the following is a Non Renewable Resource of Energy?

Wind Power
Solar Energy
Hydrogen Fuel
Natural Gas

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Physics
A metal-semiconductor junction diode is called ________

P-N Juction diode
Tunnel diode
Schottky diode
Photo diode

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Physics
Shock-absorbers are usually made of steel as it :

Has higher elasticity
Has no ductile property
Is not brittle
Has lower elasticity

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Physics
Which of the following metals is used for the manufacture of heating elements provided in electric iron ?

Tungsten
Nichrome
Chromium
Nickel

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