Question :

Nuclear sizes are expressed in a unit named.


A) Fermi
B) angstrom
C) newton
D) tesla

Answer : A

Description :



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Pick out the scalar quantity


A) force
B) pressure
C) velocity
D) acceleration

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Sound waves in air are


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B) longitudinal
C) electromagnetic
D) polarised

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Pa(Pascal) is the unit for


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Radiocarbon is produced in the atmosphere as a result of


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Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to


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B) hysteresis loss alone
C) both the heating effect of current and hysteresis loss
D) intense sunlight at noon

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