Sound waves are ___ waves.
A. Transverse
B. Electromagnetic
C. Longitudinal
D. none of these
A. Transverse
B. Electromagnetic
C. Longitudinal
D. none of these
A. 5
B. 6
C. 7
D. 8
A. Aluminium
B. Silicon
C. Graphite
D. All are conductors
A. convex lens
B. concave lens
C. condenser lens
D. none of these
A. Sound cannot travel through a vaccum
B. Sound cannot travel through gases
C. Sound cannot travel through liquids
D. Sound cannot travel through solids