Speed of supersonic aircraft is |
|||
(a) |
below speed of sound |
(b) |
equal to speed of sound |
(c) |
more than speed of sound |
(d) |
equal to speed of light |
Speed of supersonic aircraft is |
|||
(a) |
below speed of sound |
(b) |
equal to speed of sound |
(c) |
more than speed of sound |
(d) |
equal to speed of light |