Vector Algebra CBSE Maths 12 Science MCQ Answers in English

Similar Questions from CBSE, 12th Science, Maths, Vector Algebra

Question 1 : Find the scalar quantities from the following:
(i) Time period          (ii) Distance          (iii) Force
(iv) Velocity               (v) Work done          (View Answer Video)

Question 2 : Find the projection of the vector on the vector  (View Answer Video)

Question 3 : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)

Question 4 :  Find a vector of magnitude making an angle of  with x-axis,  with y-axis and an acute angle with z-axis.  (View Answer Video)

Question 5 : Find the value of x and y so that the vectors  and are equal. (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Probability

Question 1 : Evaluate , if 2P(A)=P(B)= and =. (View Answer Video)

Question 2 : The probabilities of two students A and B coming to the school in time are  and respectively. Assuming that the events ' A coming in time ' and
' B coming in time ' are independent. Find the probability of only one. Write of them come in time atleast one advantage of coming to school in time.   (View Answer Video)

Question 3 : A bag I contains 5 red and 4 white balls and a bag II contains 3 red and 3 white balls. Two balls are transferred from the bag I to the bag II and then one ball is drawn from bag II. If the ball drawn from the bag II is red, then find the probability that one red ball and one white ball are transferred from the bag I to the bag II.   (View Answer Video)

Question 4 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)

Question 5 :  Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
 Only 2 cards are spades?   (View Answer Video)

Application of Derivatives

Question 1 : On which of the following intervals in the function  strictly decreasing? (View Answer Video)

Question 2 : The normal to the curve passing (1, 2) is : (View Answer Video)

Question 3 : It is given that  at x=1, the function attains its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)

Question 4 : The maximum value of  is, (View Answer Video)

Question 5 : If , then the approximate value of f (3.02) is  (View Answer Video)

Three Dimensional Geometry

Question 1 : Find the distance of point   from the  plane (View Answer Video)

Question 2 : Find the angle between line and the plane 2x - y + 2z -13 = 0. (View Answer Video)

Question 3 : What is the distance of the point (p, q, r) from the x-axis ? (View Answer Video)

Question 4 : Find the co-ordinates of the point where the line through the points (3, -4, -5) and (2, -3, 1) crosses the plane
2x + y + z = 7. (View Answer Video)

Question 5 : Find the distance between the point (5, 4, -6) and its image in xy-plane. (View Answer Video)