Model Question Paper CET Physics - WIT Solapur

A. (0, 2) B. (0, -3) C. (0, 3) D. (0, -2)131. If t is the parameter for one end of a focal chord of the parabola y 2 = 4ax, then its length isA. a [t - (1/t)] B. a [t + (1/t)] C. a [t - (1/t)] 2 D. a [t + (1/t)] 2132. The value of cos 2 θ + sec 2 θ is alwaysA. equal to 1 B. less than 1C. greater than or equal to 2 D. greater than 1, but less than 2133. The number of points of intersection of 2y= 1 and y = sin x, -2π ≤ x ≤ 2π isA. 2 B. 3 C. 4 D. 1134. If sin θ 1 + sin θ 2 + sin θ 3 = 3, then cos θ 1 + cos θ 2 + cos θ 3 =A. 0 B. 1 C. 2 D. 3135. The number of solutions in 0 ≤ x ≤ π/2 of the equation cos 3x tan 5x = sin 7x isA. 5 B. 7 C. 6 D. none of the above136. One end of a diameter of the circle x 2 + y 2 - 4x - 2y - 4 = 0 is (5, -6), the other end isA. (4, -9) B. (-9, -4) C. (4, 9) D. (9, -4)137. The set of values of m for which both the roots of the equation x 2 - (m + 1)x + m + 4 = 0 arereal and negative consists of all m, such thatA. -3 ≥ m or m ≥ 5 B. -3 < m ≤ 5 C. - 4 < m ≤ -3 D. -3 < m ≤ -1138. Let P n (x) = 1 + 2x + 3x 2 + ...... + (n + 1) x n be a polynomial such that n is even. Then thenumber of real roots of P(x) = 0 isA. 1 B. n C. 0 D. none of the above139. The next term of the sequence 1, 3, 6, 10,........ isA. 16 B. 13 C. 15 D. 14140. If H is the harmonic mean between P and Q, then H/P + H/Q isA. (P + Q)/PQ B. PQ/(P + Q) C. 2 D. none of the above141. A class is composed of two brothers and six other boys. In how many ways can all the boysbe seated at a round table so that the two brothers are not seated besides each other?A. 4320 B. 3600 C. 720 D. 1440142. The binomial coefficient of the 4th term in the expansion of (x - q) 5 isA. 15 B. 20 C. 10 D. 5143. For x ≠ 0, the term independent of x in the expansion of (x - x -1 ) is equal to