Question :

Magnetism at the centre of a bar magnet is


A) minimum
B) maximum
C) zero
D) minimum or maximum

Answer : C

Description :



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Pa(Pascal) is the unit for


A) thrust
B) pressure
C) frequency
D) conductivity

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Sound waves in air are


A) transverse
B) longitudinal
C) electromagnetic
D) polarised

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Stars appears to move from east to west because


A) all stars move from east to west
B) the earth rotates from west to east
C) the earth rotates from east to west
D) the background of the stars moves from west to east

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Nuclear sizes are expressed in a unit named.


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