Which of the following is not a polyamide?
[AFMC 2000; CBSE PMT 2001; KCET 2001]
Glyptal is an alkyl resin of ethylene glycol (HO-CH2-CH2-OH).
A transverse wave is described by the equation Y=Yosin 2π⎧⎪ ⎪⎩ft−xλ⎫⎪ ⎪⎭. The maximum particle velocity is four times the wave velocity if
[IIT 1984; MP PMT 1997; EAMCET; 1998;CBSE PMT 2000; AFMC 2000; MP PMT/PET 1998; 01;KCET 1999, 04; Pb. PET 2001; DPMT 2005]