Mathamatics:
The equation of the pair of lines through the point (a , b) parallel to the coordinate axes is
A)( x - b ) ( y - a ) = 0
B)( x - b ) ( y + b ) = 0
C)( x -a ) ( y - b ) = 0
D)( x + a ) ( y - b ) = 0
Physics:
The equation of the pair of lines through the point (a , b) parallel to the coordinate axes is
A)( x - b ) ( y - a ) = 0
B)( x - b ) ( y + b ) = 0
C)( x -a ) ( y - b ) = 0
D)( x + a ) ( y - b ) = 0
Physics:
If h is the planck’s constant, m=mass of the electron, e=charge of the electron and =permittivity of vacuum, then has the unit
A)newton
B)joule
C) watt
D)metre
Chemistry:
Which compound formed as a result of oxidation of ethyl benzene by ?
A)acetophenone
B)benzoic acid
C)benzyl alcohol
D)benzoic acid
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