(d) COSA Angles of (D) There will be a polymer of numbers 12, 20, 21,29,21,12,29, 24 and 29. (a) 29 (b) 24 (c) 21 (d) 12 One come
Explain why: (i) Transition elements form coloured compounds. (ii) Cu^(+) is diamagnetic but Cu^(2+) is paramagnetic (Z=29)
A square matrix A of order 3 satisfies A^(2)=I-2A , where I is an identify matrix of order 3. If A^(n)=29A-12I , then the value of n is equal to
If we consider only the principal values of the inverse trigonometric functions , then the value of tan(cos^-1 (1/(5sqrt2)) -sin^-1 (4/sqrt(17))) is (a) sqrt(29)/3 (b) 29/3 (c) sqrt3/29 (d) 3/29
Subtract: 58^(@) 12' 47'' from 85^(@)29' 11''
Explain why: Cu^(+) " is diamagnetic but " Cu^(2+) is paramag netic. (Z=29)
Which of the following is paramagnetic ? Sc^(3+) (Z=21),Cu^(+)(Z=29)
._(13)Al^(27) is a stable isotope. ._(13)Al^(29) is expected to disintegrate by
The value of sin^2 29o+sin^2 61o is (a) 1 (b) 0 (c) 2sin^2 29o (d) 2cos^2 61o
Prove that the points, represented by complex numbers (5+8i),(13+20i),(19+29i) are collinear.