Which of the following on heating with aqueous KOH, produces acetaldehyde ?
The differential equation of the family of circles with fixed radius 5 units and centre on the line y=2is
The perpendicular bisector of the line segment joining P (1, 4) and Q (k, 3) has y-intercept −4. Thena possible value of k is
The transition from the state n=4 to n=3 in a hydrogen like atom results in ultraviolet radiation Infrared radiation will be obtained in the transition from
If the difference between the roots of the equation x2+ax+1=0is less than 5, then the set of possible values of a is
A wave travelling along the x-axis is described by the equation y(x,t)=0.005cos(αx−βt). If the wavelength and the time period of the wave are 0.08 m and 2.0 s, respectively, then αandβ in appropriate units are