List I | List II | ||
A | Cocaine | I | Effective sedative in surgery |
B | Heroin | II | Connabis sativa |
C | Morphine | III | Erythroxylum |
D | Marijuana | IV | Papaver somniferum |
A | Cocaine | III | Erythroxylum |
B | Heroin | IV | Papaver somniferum |
C | Morphine | I | Effective sedative in surgery |
D | Marijuana | II | Connabis sativa |
Study the items of columns I and II where drugs and their effects are given and match them correctly.
Choose the correct answer from the options given below:
A bob of heavy mass \(m\) is suspended by a light string of length \(l\). The bob is given a horizontal velocity \(v_0\) as shown in figure. If the string gets slack at some point P making an angle \( \theta \) from the horizontal, the ratio of the speed \(v\) of the bob at point P to its initial speed \(v_0\) is :