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Physics

Physics
Magnetic keepers are pieces of

Nickel
Steel
Soft iron
Cobalt

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Physics
Bubbles of air rise up through liquids due to

Air current over the liquid and buoyancy
Up thrust and surface tension
Viscosity and buoyancy
Surface tension and adherence

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Physics
Full form of CFL used in place of electric bulbs is

Closed filament lamp
Closed fluorescent lamp
Compact fluorescent lamp
Constantan filament lamp

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Physics
The distance between node and adjacent antinode is 30 cm. The wavelength is

60 cm.
120 cm.
30 cm.
90 cm.

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Physics
The device which transfer the signal from low resistance region to high resistance region is

Transistor
Capacitor
Inductor
Diode

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Physics
One light year is equal to

2 trillion miles
8 trillion miles
6 trillion miles
9 trillion miles

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MORE MCQ ON Physics

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