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Physics

Physics
The component used for tuning a radio is basically a variable

Resisto
Condenser
Inductor
Transformer

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Physics
The height of a geo-stationary satellite from the Earth's surface is approximately :

42,000 km
None of these
30,000 km
36,000 km

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Physics
A spherical ball made of steel when dropped in mercury container

Sink in mercury
Will be on the surface of mercury
Will be partly immersed mercury
Will dissolve in mercury

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Physics
A small piece of a substance is weakly attracted by a strong magnetic field. The substance is

Ferromagnetic
Diamagnetic
Non-magnetic
Paramagnetic

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Physics
The absorption of ink by blotting paper involves:

Diffusion of ink through the blotting
Siphon action
Capillary action phenomenon
Viscosity of ink

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV > lIR > lVIS
LUV < lVIS < lIR
LUV > lVIS > lIR
LUV < lIR < lVIS

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