Question :
A) transverse
B) longitudinal
C) electromagnetic
D) polarised
Answer : B
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
Related Questions - 2
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
Related Questions - 3
Related Questions - 4
Planets do not twinkle because
A) they emit light of a constant intensity
B) their distance from the earth does not change with time
C) they are very far away from the earth resulting in decrease in intensity of light
D) they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
Related Questions - 5
Of the following properties of a wave, the one that is independent of the other is its
A) amplitude
B) velocity
C) wavelength
D) frequency