[" In diborane the two "H-B-H" angles are nearly "],[" a) "95^(@),120^(@)],[" b) "60^(@),120^(@)],[" c) "120^(@),180^(@)]

The O-O-H bond angle in H_(2)O_(2) is ? a) 106^(@) b) 109^(@)28' c) 120^(@) d) 101.9^(@)

In Figure,the value of x is 65^(@)(b)80^(@)(c)95^(@) (d) 120^(@)

The H-B-H bridged angle in diborane is

The H-B-H bridged angle in diborane is

The H-B-H bridged angle in diborane is

Construct the following angles : (i) 60^(@) (ii) 90^(@) (iii) 120^(@) (iv) 180^(@) (v) 270^(@)

If a line makes angle 120^(@) and 60^(@) with the positive directions of X and Z-axes respectively, then the angle made by the line with positive Y-axis is: a) 150^(@) b) 60^(@) c) 135^(@) d) 120^(@)

In a DeltaABC,"if "(sqrt(3)-1)a=2b,A=3B, then C is a) 60^(@) b) 120^(@) c) 30^(@) d) 45^(@)

Arrange the vector subtractions so that their magnitude are in decreasing order. If the two vectors vecA and vecB are acting at an angle (|vecA|gt|vecB|) . (a) 60^(@) (b) 90^(@) (c) 180^(@) (d) 120^(@)