MCQ on General Science for WBCS/SSC/Misc Competitive Exam/etc -I
Sat, 06/05/2017 - 8:16pm1. With the increase of weather temperature the speed of sound :
(a) increases (b) decreases (c) remains (d) None of these
2. In which medium speed of sound would remain higher in the alternatives ?
(a) vacuum (b) air (c) water (d) None of these
3. Light of which colour has got highest velocity ?
(a) Green (b) red (c) yellow (d) blue

,
,
,
and
secs. They will again toll together after
km. an hour distance at which B will overtake A will be