Why Is The Dot Product A Scalar
If the dot product of two vectors is calculated, the result should be a number, which is a scalar. Hence,... View Article
Latest Posts
What Did Einstien Say About The Photoelectric Effect
While classical electromagnetism seems to suggest that continuous waves of light are responsible for the transfer of energy to photoelectrons,... View Article
What Is Meant By Photoelectric Effect
The term ‘photoelectric effect’ can be used to refer to a phenomenon in which electrons are expelled from a metal’s... View Article
What Is The Photoelectric Effect
The photoelectric effect can be thought of as a phenomenon in which electrons get ejected from the surface of a... View Article
Who Gave Photoelectric Effect
In the year 1905, with the aid of a principle first proposed by the German theoretical physicist Max Planck, Albert... View Article
Why Is The Photoelectric Effect Important
The photoelectric effect is widely studied in the fields of quantum chemistry, condensed matter physics, and solid-state chemistry because it... View Article
If A And B Are Two Equivalence Relations Defined On The Set C Then
Solution: (1) If A and B are equivalence relations, then A ∩ B is an equivalence relation.
If R Is The Set Of Real Numbers Then Statement I A X Y R R Y X Is An Integer Is An Equivalence Relation On R
If R is the set of real numbers. Then, Statement I: A = {(x, y) ∈ R × R :... View Article
If R Is A Relation On The Set N Defined By X Y 2x Y 10 Then R Is
Solution: (4) {(x, y) : 2x – y = 10} 20 ∈ N but (20, 20) ∉ R It is... View Article
If Z Is The Set Of Integers Then The Relation R A B 1 Ab 0 On Z Is
Solution: (3) 1 + ab > 0 ab > -1 Reflexive {a, a} → a2 > -1 → a ∈... View Article
For Any Two Real Numbers Theta And Phi We Define Theta R Phi If And Only If Sec 2 Theta Tan 2 Phi 1 The Relation R Is
For any two real numbers θ and ϕ, we define θRϕ, if and only if sec2 θ – tan2ϕ =... View Article
If S Is The Set Of All Real Numbers A Relation R Has Been Defined On S By Arb A B 1 Then R Is
If S is the set of all real numbers. A relation R has been defined on S by aRb ⇔... View Article
If R Is A Relation On The Set A Then Find The Relation
Solution: (3) A = {3, 6, 9,12} R = {(3, 3), (6, 6), (9, 9), (12,12), (6, 12), (3, 9),... View Article
If Sets A And B Are Defined As A X Y Y 1 X 0 X R And B X Y Y X X R Then
If sets A and B are defined as A = {(x, y): y = (1 / x), 0 ≠ x... View Article
If A B Then B A Is Equal To
If A ⊆ B, then B ∪ A is equal to (1) B ∩ A (2) A (3) B (4)... View Article
In A Class Of 30 Pupils 12 Take Chemistry 16 Take Physics And 18 Take History
Solution: (1) Total number of pupils = 30 Number of pupils taking Chemistry = n (C) = 12 Number of... View Article
N N 1 2n 1 N Z Is A Subset Of
Solution: (1) The value of n becomes n = ± 1. A = {…… -30, 0, -6, 6, 30,…..} A... View Article
The Number Of Elements In The Set A B 2 A 2 3 B 2 35 A B Z Where Z Is The Set Of All Integers Is
Solution: (3) 2a2 + 3b2 = 35 3b2 = 35 – 2a2 Maximum value on RHS is 35. 3b2 ≤... View Article
If N A 4 N B 3 And N A B C 24 Then N C Is Equal To
Solution: (5) n (A × B × C) = n (A) × n (B) × n (C) 24 = 3... View Article
If A X X Is A Multiple Of 3 And B X X Is A Multiple Of 5 Then A Intersection B Is Given By
Solution: (3) Multiples of 3 = 3, 6, 9, 12, 15, 18, 21, …. A = {3, 6, 9, 12,... View Article
