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
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
Related Questions - 3
Radiocarbon is produced in the atmosphere as a result of
A) collision between fast neutrons and nitrogen nuclei present in the atmosphere
B) action of ultraviolet light from the sun on atmospheric oxygen
C) action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
D) lightning discharge in atmosphere
Related Questions - 4
Light from the Sun reaches us in nearly
A) 2 minutes
B) 4 minutes
C) 8 minutes
D) 16 minutes
Related Questions - 5
out of the following, which is not emitted by radioactive substance?
A) Electrons
B) Electromagnetic radiations
C) Alpha particles
D) Neutrons