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Physics

Physics
Optic fibres are used in :

Endoscopy
X-ray photos
CAT scans
Ultrasound scans

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Physics
Which of the following cannot be used for making lenses?

Soil
Water
Glass
Plastic

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

increase its electrical conductivity
increase its electrical resistivity
enable it to withstand higher voltages
increase its life

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Physics
The wave theory of light can explain

Interference of light
Comptom effect
Black body spectrum
Photoelectric effect

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Physics
The complete form of 'IC' in electronics is

Internal circuit
Inbuilt circuit
Integrated circuit
Independent circuit

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Physics
If a person moves a trolley for a distance of 10 m with a force of 50 N, then the work done is

5 J
0.2 J
500 J
20 J

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MORE MCQ ON Physics

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