Chemistry-
General
Easy
Question
Identify(A) and (B) in the reaction:
The correct answer is:
Acidic 
breaks the double bond and alsooxidises 
alcohol to ketone, whereas PCC only oxidises alcohol to ketone. So the answer is (c)
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If 
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Two coherent sources S1 and S2 are separated by a distance four times the wavelength 
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Two coherent sources separated by distance d are radiating in phase having wavelength 
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A beam with wavelength l falls on a stack of partially reflecting planes with separation d. The angle 
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Two ideal slits 
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A monochromatic beam of light falls on YDSE apparatus at some angle (say ) as shown in figure. A thin sheet of glass is inserted in front of the lower slit 
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Find the sum of the infinite series 
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In the figure is shown Young’s double slit experiment. Q is the position of the first bright fringe on the right side of O. P is the 11th fringe on the other side, as measured from Q. If the wavelength of the light used is 
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Figure here shows P and Q as two equally intense coherent sources emitting radiations of wavelength 20 m. The separation PQ is 5.0 m and phase of P is ahead of the phase of Q by 
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In an interference arrangement similar to Young's double slit experiment, the slits 
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for 
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physics-General
