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Physics

Physics
The damage of the human body due to radiation (X-rays or grays etc,) is measured in :

Rems
Curie
Roentgen
Rads

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Physics
What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?

1
0.5
100
50

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Physics
Heat from the sun reaches earth by the process of

All of these
Conduction
Radiation
Convection

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Physics
A micron is equal to

0.0001 mm
0.001 mm
0.1 mm
0.01 mm

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Physics
The surface tension of water on adding detergent to it

Becomes zero
Increases
No change
Decreases

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Physics
The plastic material commonly used for making gear wheels is

Bakelit
Nylons
Polystyrene
Polyesters

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MORE MCQ ON Physics

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