Physics VS Biology?Ruchi Mam V⚔️S Pooja Mam | Doubtnut Class 10 Hindi Medium

Eight friends - P, Q, R, S, T, U, V and W are sitting around a circular table All of them are facing the centre. Each of them likes different subjects i.e. Economics, Statistics, English, History, Geography, Biology, Chemistry and Physics but not necessarily in the same order. S likes Physics. R and T are immediate neighbours of each other. The one who likes Geography sits to the immediate left of Q. The one who likes biology sits second to the right of the one likes Statistics. The one who likes Chemistry is an immediate neighbour of the one who likes History. W is second to the right of U. Q is sitting second to the left of U. Neither R nor T likes History. The one who likes Physics is an immediate neighbour of U . R is second to the right of the one who likes Economics. There are only three people sits between the one who likes Physics and P. Only one person sits between the one who likes History and P. The one who likes Statistics is to the immediate right of the one who likes History. Which of the following statement is true about V ?

Eight friends - P, Q, R, S, T, U, V and W are sitting around a circular table All of them are facing the centre. Each of them likes different subjects i.e. Economics, Statistics, English, History, Geography, Biology, Chemistry and Physics but not necessarily in the same order. S likes Physics. R and T are immediate neighbours of each other. The one who likes Geography sits to the immediate left of Q. The one who likes biology sits second to the right of the one likes Statistics. The one who likes Chemistry is an immediate neighbour of the one who likes History. W is second to the right of U. Q is sitting second to the left of U. Neither R nor T likes History. The one who likes Physics is an immediate neighbour of U . R is second to the right of the one who likes Economics. There are only three people sits between the one who likes Physics and P. Only one person sits between the one who likes History and P. The one who likes Statistics is to the immediate right of the one who likes History. Who among the following sits third to the right of S ?

Eight friends - P, Q, R, S, T, U, V and W are sitting around a circular table All of them are facing the centre. Each of them likes different subjects i.e. Economics, Statistics, English, History, Geography, Biology, Chemistry and Physics but not necessarily in the same order. S likes Physics. R and T are immediate neighbours of each other. The one who likes Geography sits to the immediate left of Q. The one who likes biology sits second to the right of the one likes Statistics. The one who likes Chemistry is an immediate neighbour of the one who likes History. W is second to the right of U. Q is sitting second to the left of U. Neither R nor T likes History. The one who likes Physics is an immediate neighbour of U . R is second to the right of the one who likes Economics. There are only three people sits between the one who likes Physics and P. Only one person sits between the one who likes History and P. The one who likes Statistics is to the immediate right of the one who likes History. Who among the following likes English?

Eight friends - P, Q, R, S, T, U, V and W are sitting around a circular table All of them are facing the centre. Each of them likes different subjects i.e. Economics, Statistics, English, History, Geography, Biology, Chemistry and Physics but not necessarily in the same order. S likes Physics. R and T are immediate neighbours of each other. The one who likes Geography sits to the immediate left of Q. The one who likes biology sits second to the right of the one likes Statistics. The one who likes Chemistry is an immediate neighbour of the one who likes History. W is second to the right of U. Q is sitting second to the left of U. Neither R nor T likes History. The one who likes Physics is an immediate neighbour of U . R is second to the right of the one who likes Economics. There are only three people sits between the one who likes Physics and P. Only one person sits between the one who likes History and P. The one who likes Statistics is to the immediate right of the one who likes History. In the arrangement , how many persons are there between U and T ?

Eight friends - P, Q, R, S, T, U, V and W are sitting around a circular table All of them are facing the centre. Each of them likes different subjects i.e. Economics, Statistics, English, History, Geography, Biology, Chemistry and Physics but not necessarily in the same order. S likes Physics. R and T are immediate neighbours of each other. The one who likes Geography sits to the immediate left of Q. The one who likes biology sits second to the right of the one likes Statistics. The one who likes Chemistry is an immediate neighbour of the one who likes History. W is second to the right of U. Q is sitting second to the left of U. Neither R nor T likes History. The one who likes Physics is an immediate neighbour of U . R is second to the right of the one who likes Economics. There are only three people sits between the one who likes Physics and P. Only one person sits between the one who likes History and P. The one who likes Statistics is to the immediate right of the one who likes History. Four of the following five are alike in a certain way and hence form a group. Which is the one that does not belong to that group ?

Direction : Resistive force proportional to object velocity At low speeds, the resistive force acting on an object that is moving a viscous medium is effectively modeleld as being proportional to the object velocity. The mathematical representation of the resistive force can be expressed as R = -bv Where v is the velocity of the object and b is a positive constant that depends onthe properties of the medium and on the shape and dimensions of the object. The negative sign represents the fact that the resistance froce is opposite to the velocity. Consider a sphere of mass m released frm rest in a liquid. Assuming that the only forces acting on the spheres are the resistive froce R and the weight mg, we can describe its motion using Newton's second law. though the buoyant force is also acting on the submerged object the force is constant and effect of this force be modeled by changing the apparent weight of the sphere by a constant froce, so we can ignore it here. Thus mg - bv = m (dv)/(dt) rArr (dv)/(dt) = g - (b)/(m) v Solving the equation v = (mg)/(b) (1- e^(-bt//m)) where e=2.71 is the base of the natural logarithm The acceleration becomes zero when the increasing resistive force eventually the weight. At this point, the object reaches its terminals speed v_(1) and then on it continues to move with zero acceleration mg - b_(T) =0 rArr m_(T) = (mg)/(b) Hence v = v_(T) (1-e^((vt)/(m))) In an experimental set-up four objects I,II,III,IV were released in same liquid. Using the data collected for the subsequent motions value of constant b were calculated. Respective data are shown in table. {:("Object",I,II,II,IV),("Mass (in kg.)",1,2,3,4),(underset("in (N-s)/m")("Constant b"),3.7,1.4,1.4,2.8):} A small sphere of mass 2.00 g is released from rest in a large vessel filled with oil. The sphere approaches a terminal speed of 10.00 cm/s. Time required to achieve speed 6.32 cm/s from start of the motion is (Take g = 10.00 m//s^(2) ) :

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are seven students of a college. Each of them has a favourite subject from Physics, Chemistry, English, Biology, History, Geography and Philosophy, not necessarily in the same order. Each of them also has a favourite Sport from Football, Cricket, Hockey, Volleyball, Badminton, Table Tennis and Basketball, not necessarily in the same order. R likes Philosophy and his favourite sport is Hockey. The one who likes Football likes English. T's favourite sport is not Badminton or Table Tennis. V does not like either History or Biology. The one whose favourite sport is Basketball does not like Physics. W likes Chemistry and his favourite sport is volleyball. S likes Geography. Q's favourite sport is Badminton. V does not like English and his favourite sport is not Basketball. P's favourite sport is Cricket. The one whose favourite sport is Badminton does not like Biology. What is Q's favourite sport?

Study the following information carefully and answer the questions given below: P, Q, R, S, T, V and W are seven students of a college. Each of them has a favourite subject from Physics, Chemistry, English, Biology, History, Geography and Philosophy, not necessarily in the same order. Each of them also has a favourite Sport from Football, Cricket, Hockey, Volleyball, Badminton, Table Tennis and Basketball, not necessarily in the same order. R likes Philosophy and his favourite sport is Hockey. The one who likes Football likes English. T's favourite sport is not Badminton or Table Tennis. V does not like either History or Biology. The one whose favourite sport is Basketball does not like Physics. W likes Chemistry and his favourite sport is volleyball. S likes Geography. Q's favourite sport is Badminton. V does not like English and his favourite sport is not Basketball. P's favourite sport is Cricket. The one whose favourite sport is Badminton does not like Biology. Which subject does P like?