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Physics

Physics
Amount of water vapour in the atmosphere is measured in terms of

Smog
Droplets
Humidity
All of these

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Physics
Why the needle of iron swims on water surface when it is kept gently ?

It will remain under the water, when it will displace more water than its weight
Due to surface tension
Due to its shape
The density of needle is less than that of water

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Physics
Who enunciated the laws of planetary motion?

Isaac Newton
Nicolaus Copernicus
Johannes Kepler
Galileo

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Physics
A photostat machine works on

Thermal image making
Electromagnetic image making
Electrostatic image making
Magnetic image making

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Physics
When an atom loses an electron it becomes

None of these
Neutron
Positive ion
Negative ion

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Physics
Quality of transmission depends upon

Nature of signal only
Neither A nor B
Nature of medium only
Both (A) and (B)

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MORE MCQ ON Physics

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