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What Is An Image Of An Object

The image of an object is the location where light rays from that object intersect upon reflecting from a mirror. There are two types of image:... View Article

What Is The Shape Of Equipotential Surface Due To Single Isolated Charge

The shape of the equipotential surface due to a single isolated charge is concentric circles. The distance between the shells decreases with the... View Article

What Is The Kinetic Theory Of An Ideal Gas

Kinetic theory of an ideal gas is based on a simplified molecular or particle description of a gas, from which the gross properties of the gas... View Article

If N A 6 And N B 4 Then Minimum Value Of N A B Is

Solution: (1) n (A) > n (B) n (A) - n (B) > 0 n (A) - n (B) ≤ n (A - B) ≤ n (A) 2 ≤ n (A - B) ≤ 6 n (A - B) = 2... View Article

If U 1 2 3 And A 1 2 Then P A Dash

1) {{3}, {2,3}, {1,3}, {1,2}, ϕ } 2) {{3}, {2,3}, {1,3}, {1,2,3} } 3) {{3}, {2,3}, {1,3}, {1,2,3}, ϕ} 4) {{3}, {2,3}, {1,3}, {1,2}} Solution:... View Article

If A N 3 N 1 3 N 2 3 N Belongs To N And B 8n N Belongs To N Then

Solution: (4) A = {36, 99, 216 …. } 23 + 33 + 43 = 8 + 27 + 64 = 99 33 + 43 + 53 = 27 + 64 + 125 = 216 B = {8, 16, 24, 32, 40, 48, …..} A... View Article

If A X Y X 3 1 Y 3 1 X Y Belongs To R And B X Y 4x 2 9y 2 32x 54y 109 0 X Y Belongs To R Then Which Of The Following Is True

Solution: (1) 4x2 + 9y2 - 32x - 54y + 109 ≤ 0 4 (x2 - 8x) + 9 (y2 - 6y) + 109 ≤ 0 4 (x - 4)2 + 9 (y - 3)2 ≤ 36 [(x - 4) / 3]2 + [(y - 3) /... View Article

If A X X 2 1 And B X X 4 1 Then A B Is Equal To X Belongs To C

Solution: (3) A = {x : x2 = 1} x2 = 1 x = ± 1 A = {-1 , 1} B = {x : x4 = 1} x4 = 1 x2 = ± 1 x2 = 1 x = ± 1 x2 = -1 x = ± i B = {1,... View Article

In A Collage Of 300 Students Every Student Read 5 Newspapers And Every Newspaper Is Read By 60 Students The Number Of Newspaper Is

Solution: (1) The number of possible different newspapers = 300 x 5 = 1500 newspapers If every newspaper is read by 60 students, then the... View Article

If S 1 1 2 3 20 S 2 A B C D S 3 B D E F The Number Of Elements Of S 1 S 2 Union S 1 S 3 Is

Solution: (2) (S1 * S2) consist of 20 * 4 = 80 elements (S1 * S3) consist of 20 * 4 = 80 elements Common elements = 20 * 2 = 40 The number... View Article

There Are Three Three Sets Are Given In Column A And Column B 1 L A T

1) {L, A, T} (A) {x / x ∈ z, x2 < 5} 2) {x z / x3 - x = 0} (B) {x / x is a letter of the word LATA} 3) {-2, -1, 0, 1, 2} (C) {sin 0, sin (3π... View Article

A A B B 2a 5 If M 5 And 6 N Are The Member Of Set A Then M And N Are Respectively

Solution: (1) 5 = 2 (m) - 5 m = 5 n = 2 (6) - 5 n = 7... View Article

A And B Are Two Sets N A B 8 2x N B A 6x And N A Intersection B X If N A N B Then N A Intersection B

Solution: (4) n (A - B) + n (B - A) = n (A) + n (B) - 2n (A ∩ B) 8 + 2x - 6x = 2n (A) - 2x n (A) = 4 + 5x n (A - B) = n (A) - n (A ∩ B) 4... View Article

If Set A Is Empty Set Then N P P P A

Solution: (4) The number of elements in A = 0 n (P (A)) = 20 = 1 P (A) consists of 1 element. n [P[P(A)]] = 21 = 2 [P[P(A)]] has 2... View Article

Suppose Sets Ai I 1 2 60 Each Set Having 12 Elements And Set Bj J 1 2 3 N Each Set Having 4 Elements Let

Suppose sets Ai (i = 1, 2, …. 60) each set having 12 elements and set Bj (j = 1, 2, 3 …. n) each set having 4 elements letand each element of C... View Article

Let A Theta Tan Theta Sec Theta Root 2 Sec Theta And B Theta Sec Theta Tan Theta Root 2 Tan Theta Be 2 Sets Then

Solution: (1) tan θ + sec θ = √2 sec θ sin θ = √2 - 1 sec θ - tan θ = √2 tan θ sin θ = 1 / (√2 + 1) sin θ = √2 - 1 A = B... View Article

In A Certain Town 30 Families Own A Scooter And 40 On A Car 50 Own Neither A Scooter Nor A Car 2000 Families Own Both A Scooter And Car Consider The Following Statements In This Regard

Solution: (4) Say x families are living in the town A = {families who own scooter} B = {families who own car} n (A) = 30x / 100 n (B) =... View Article

Let X X Y Z X Y Z Belongs To N X Y Z 10 X Y Z And Y X Y Z X Y Z Belongs To N Y X Z Then X Intersection Y Is Equal To

Solution: (4) X = {(1, 2, 7), (1, 3, 6), (1, 4, 5), (2, 3, 5)} element of X which belong to Y are (1, 4, 5) and (2, 3, 5) both so they belong... View Article

If Two Sets A And B Are Having 43 Elements Incommon Then The Number Of Elements Common To Each Of The Sets A Times B And B Times A Is

Solution: (1) n((A x B) ∩ (B x A)) = n ((A ∩ B) x (B ∩ A)) = n (A ∩ B) . n (B ∩ A) = 43 x 43 = 432... View Article

If X Union 3 4 1 2 3 4 5 6 The Which Of The Following Is True

Solution: (1) X ∪ {3,4} - {3, 4}= {1, 2, 5, 6} is the smallest set... View Article