in the following compound, the number of ‘sp’ hybridized carbon
The product of the above reaction is
Which one of the following is wrong about molecularity of a reaction?
58.5 gm of NaCl and 180 gm of glucose were separately dissolved in 1000 ml of water. Identify the correct statement regarding the elevation of boiling point (b.p.) of the resulting solutions.
A particle is travelling along a straight line OX. The distance x (in metres) of the particle from O at a time t is given by x = 37 + 27t – t3 where t is time in seconds. The distance of the particle from O when it comes to rest is
A bullet on penetrating 30 cm into its target loses its velocity by 50%. What will additional distance it penetrates into the target before it comes to rest?
Water is flowing through a very narrow tube. The velocity of water below which the flow remains a streamline flow is known as
The frequency of the first overtone of a closed pipe of length L1 is equal to that of the first overtone of an open pipe of length L2. The ratio of their lengths (L1 : L2) is
The number of real solutions of the equation (sin x - x) (cos x - x2) = 0 is
A person goes to office by car or scooter or bus or train, the probability of which are 1/7, 3/7, 2/7 and 1/7 respectively. The probability that he reaches office late, if he takes car, scooter, bus or train is 2/9, 1/9, 4/9 and 1/9 respectively. Given that he reached office on time, the probability that he traveled by car is n/7. Then n=
If 5 distinct balls are placed at random into 5 cells, then the probability that exactly one cell remains empty is
Six numbers are in A.P. such that their sum is 3. The first term is 4 times the third term. Then the fifth term is
If 64, 27, 36 are the Pth, Qth and Rth terms of a G.P., then P + 2Q is equal to