Q.1
Three Vectors A,B and C are such that $A=B  \times  C$ Which of these may not be true
  • A is at right angle to B
  • A is at right angle to C
  • B is at right angle to C
  • none of these
Q.2
which of these are correct operations for vector?
  • Subtraction of vectors
  • multiplying or dividing a vector by a scalar
  • taking derivative of the vector
  • All of the above
0 h : 0 m : 1 s