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Physics

Physics
The resistance of the human body (dry condition) is of the order of

None of these
103 Ohm
101 Ohm
102 Ohm

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Physics
Nuclear sizes are expressed in a unit named

Fermi
Tesla
Newton
Angstrom

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Physics
Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre?

4.33 diopters
-4.33 diopters
12.33 diopters
-12.33 diopters

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Physics
After removing two electrons from helium atom it become?

UV rays
Gama particle
Alpha particle
X rays

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Physics
Why is it difficult to breathe at higher altitudes?

Due to high humidity
Due to low air pressure
Due to low temperature
Due to ozone

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Physics
The lift of an aeroplane is caused by

Law of gravitation
Bernouli's theorem
Theorem of continuity
Pascel's law

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