Model Question Paper CET Physics - WIT Solapur

47. If A = {-2, -1, 0, 1,2} and f:A→→→ R such that f(x) = x 2 + 1, then the range of f willbe:(1) {1, ± 2, ±5} (2) {1,2,5} (3) {-2, -1, 0, 1,2} (4) none of these48. The point (at3, at2) will lies on the curve :(1) x 3 = ay 2 (2) x 2 = ay (3) y 2 = ac (4) y 3 = ax 249. The diameter of the circle x 2 + y 2 + 4x – 6y = 0, is :(1) √52 (2) √13 (3) √26 (4) √2050. The pole of the line ττ τx + my + n = 0 w.r.t. the circle x 2 + y 2 = a 2 is :(1) - n a 2 , - n a 21 m(2) - a , mna 2 ma 2(3) - 1 a 2 , m a 2n n(4) - 1 a 2 , - m a 2n n51. Two dice thrown together then the probability of getting a sum of 7, is :(1) 7 (2) 6 (3) 5 (4) 8_36 36 36 36⎯⎯52. For any two events A and B, P(A∩∩ ∩B) is equal :∩(1) P(A) – P(A∩B) (2) P(A) – P(A ∩B)⎯ ⎯(3) P(A) – P(A∪B) (4) P(A) + (A ∩ B)⎯⎯⎯⎯53. If A and B are two events, then P(A / B) is equal to :⎯ ⎯(1) P(A) /P(B) (2) 1-P(A+B)⎯P(B)(3) 1- P(AB) (4) 1- P(A/B)