Question :

Sound waves in air are


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

Answer : B

Description :



Related Questions - 1


Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2


A) 0.14 m/s
B) 140 m/s
C) 1.4 km/s
D) 14 m/s

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Related Questions - 2


Pa(Pascal) is the unit for


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

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Related Questions - 3


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 - 4


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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Related Questions - 5


Let a thin capillary tube be replaced with another tube of insufficient length then, we find water


A) will overflow
B) will not rise
C) depressed
D) change its meniscus

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