মাটিতে P বিন্দু থেকে 10 মিটার উঁচু ভবনের শীর্ষের উচ্চতার কোণ হল 30^o। ক...

Study the following information and answer the questions given below. 8 persons M,N,O,P,Q,R,S and T are standing in such a way that O is 10 m in west from N, N is 20 m South with respect to M. M is 30 m towards West with respect to Q . P is 40 m towards South with respect to Q . R is 5 m apart from S towards North. T is 20 m towards East with respect to S. R is 30 m towards West with respect to P. What is the direction of O with respect to S?

Match List I with List II and select the correct answer using the codes given below the lists: List I (Time) List II (Angle between hour hand and and minute hand of a clock) A. 1.10 p.m. 1. 20o B. 2.15 p.m. 2. 22 1/2o C. 8.40 p.m. 3. 24o 4. 25o 5. 30o A B C A B C (a) 4 2 1 (b) 4 3 2 (c) 5 2 1 (d) 4 3 2

Study the following information and answer the questions given below. 8 persons M,N,O,P,Q,R,S and T are standing in such a way that O is 10 m in west from N, N is 20 m South with respect to M. M is 30 m towards West with respect to Q . P is 40 m towards South with respect to Q . R is 5 m apart from S towards North. T is 20 m towards East with respect to S. R is 30 m towards West with respect to P. If one more person U is standing towards South-West with respect to P, then in which direction is T, standing with respect to U?

Study the following information and answer the questions given below. 8 persons M,N,O,P,Q,R,S and T are standing in such a way that O is 10 m in west from N, N is 20 m South with respect to M. M is 30 m towards West with respect to Q . P is 40 m towards South with respect to Q . R is 5 m apart from S towards North. T is 20 m towards East with respect to S. R is 30 m towards West with respect to P. In which direction is Q standing with respect to R?

From a point P on the ground the angle of elevation of the top of a 10 m tall building is 30o . A flag is hoisted at the top of the building and the angle of elevation of the top of the flagstaff from P is 45o . Find the length of the flagstaff

In Fig. 10.95, P Q and P R are tangents drawn from P to a circle with centre O . If /_O P Q=35o , then (FIGURE) a=30o, b=60o (b) a=35o, b=55o (c) a=40o, b=50o (d) a=45o, b=45o

For the reaction: CO(g) +H_(2)O(g) hArr CO_(2)(g) +H_(2)(g) (Delta_(r)H)_(300K) = 41.2 kJ mol^(-1) (Delta_(r)H)_(1200K) =- 33.0 kJ mol^(-1) (Delta_(r)S)_(300K) = -4.2 xx 10^(-2) kJ mol^(-1) (Delta_(r)S)_(1200K) =- 3.0 xx10^(-2) kJ mol^(-1) Predict the direction of spontaneity of the reaction at 300K and 1200K . also calculated log_(10)K_(p) at 300K and 1200K .