a. Both positional isomerism and metamerism b. Metamerism c. Positional isomerism d. Functional group isomerism Answer: (d) C3H6O DOU = 1... View Article
(A) methane leads to both global warming and photochemical smog (B) methane is generated from paddy fields (C) methane is a stronger global... View Article
A particle performs simple harmonic motion with a period of 2 second. The time taken by the particle to cover a displacement equal to half of its... View Article
A person is swimming with a speed of 10 m/s at an angle of 120o with the flow and reaches to a point directly opposite on the other side of the... View Article
A bullet of mass 0.1 kg is fired on a wooden block to pierce through it, but it stops after moving a distance of 50 cm into it. If the velocity... View Article
Two separate wires A and B are stretched by 2 mm and 4 mm respectively, when they are subjected to a force of 2 N. Assume that both the wires are... View Article
An NPN transistor operates as a common emitter amplifier with a power gain of 106. The input circuit resistance is 100 Ω and the output... View Article
A parallel plate capacitor has a plate area of 100 m2 and plate separation of 10 m. The space between the plates is filled up to a thickness of 5... View Article
As shown in the figure, a particle of mass 10 kg is placed at point A. When the particle is slightly displaced to its right, it starts moving and... View Article