Question :

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

Answer : B

Description :



Related Questions - 1


Metals are good conductors of electricity because


A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above

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Related Questions - 2


Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?


A) Pressure and Young modules
B) Planck constant and Angular momentum
C) Impulse and moment of force
D) Force and rate of change of linear momentum

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Related Questions - 3


Sound waves in air are


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

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Related Questions - 4


It is more difficult to walk on a sandy road than on a concrete road because


A) sand is soft and concreter is hard
B) the friction between sand and feet is less than that between concrete and feet
C) the friction between sand and feet is more than that between concrete and feet
D) the sand is grainy but concrete is smooth

View Answer

Related Questions - 5


Pa(Pascal) is the unit for


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

View Answer