A particle is moving with velocity v=K(yi^+xj^), where K is a constant. The general equation for its path is
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A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:
If u,v,w are noncoplanar vectors and p, q are real numbers, then the equality [3u,pv,pw]−[pv,w,qu]−[2w,qv,qu]=0 holds for(A) exactly one value of (p, q)(B) exactly two values of (p, q)(C) more than two but not all values of (p, q)(D) all values of (p, q)
If ∣∣z−z4∣∣=2, then the maximum value of ∣Z∣is equal to
The IUPAC name of neopentane is
An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distance are measured by
The value of 2∫sin(x−4π)sinxdxis:
If D=∣11111+x1111+y∣f o rx=0,y=0then D is
Two aeroplanes I and II bomb a target in succession. The probabilities of I and II scoring a hit correctly are 0.3 and 0.2, respectively. The second plane will bomb only if the first misses the target. The probability that the target is hit by the second plane is