K
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ).
27
Oct
Example 4 Three points P (h, k), Q (x1 , y1 ) and R (x2 , y2 ) lie on a line. Show that (h – x1 ) (y2 – y1 ) = (k – y1 ) (x2 – x1 ). Example 4 Three points P (h K Q (x1 y1 ) and R (x2 [...]
Let V = {a, e, i, o, u} and B = {a, i, k, u}. Find V – B and B – V
13
Oct
Let V = {a, e, i, o, u} and B = {a, i, k, u}. Find V – B and B – V -e I K Let V = {a O u} and B = {a u}. Find V - B and B - V October 13, 2021 Category: Chapter 1 - Sets , Maths [...]
Suppose that the electric field amplitude of an electromagnetic wave is E0 =120 N/C and that its frequency is ν=50.0MHz. (a) Determine, B0 ,ω,k,and λ (b) Find the expression for E and B.
04
Sep
Suppose that the electric field amplitude of an electromagnetic wave is E0 =120 N/C and that its frequency is ν=50.0MHz. (a) Determine, B0 ,ω,k,and λ (b) Find the expression for E and B. and λ (b) Find the expression for E and B. B0 K Suppose that the electric field amplitude of an [...]
The charge /size ratio of a cation determines its polarizing power. Which of the following sequences represents the increasing order of the cationic species , K^+ , Ca^2+ , Mg^2+ , Be^2+
02
Dec
The charge /size ratio of a cation determines its polarizing power. Which of the following sequences represents the increasing order of the cationic species , K^+ , Ca^2+ , Mg^2+ , Be^2+ Be^2+ Ca^2+ K Mg^2+ The charge /size ratio of a cation determines its polarizing power. Which of the following sequences represents the increasing [...]
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr
30
Nov
Which one of the following is an example of non-typical transition elements (a) Li, K , Na (b) Be, Al, Pb (c) Zn, Cd, Hg (d) Ba, Ca, Sr AL Ca CD Hg (d) Ba K Na (b) Be Pb (c) Zn Sr Which one of the following is an example of non-typical transition elements [...]
How many of the following s-block elements do not give characteristic colours in the flame test Li, Be, Ca, Sr, Mg, Na, K, Ba
29
Nov
How many of the following s-block elements do not give characteristic colours in the flame test Li, Be, Ca, Sr, Mg, Na, K, Ba Ba Be Ca How many of the following s-block elements do not give characteristic colours in the flame test Li K Mg Na Sr November 29, 2020 Category: Uncategorised (JEE Advanced [...]
K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K, Ca, Li (b) Li, K, Ca (c) Li, Ca, K
13
Nov
K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K, Ca, Li (b) Li, K, Ca (c) Li, Ca, K Ca Ca (c) Li Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as (a) K K Li [...]
The elements which occupy the peaks of ionisation energy curve, are (a) Na, K, Rb, Cs (b) Na, Mg, Cl, I (c) Cl, Br, I , F (d) He, Ne, Ar, Kr
10
Nov
The elements which occupy the peaks of ionisation energy curve, are (a) Na, K, Rb, Cs (b) Na, Mg, Cl, I (c) Cl, Br, I , F (d) He, Ne, Ar, Kr Ar are (a) Na Br Cl Cs (b) Na F (d) He I I (c) Cl K Kr Mg Ne Rb The elements [...]
The correct order in which the first ionisation potential increases is (a) K, Be, Na (b) Be, Na , K (c) Na, K, Be (d) K, Na, Be
09
Nov
The correct order in which the first ionisation potential increases is (a) K, Be, Na (b) Be, Na , K (c) Na, K, Be (d) K, Na, Be Be Be (d) K K K (c) Na Na Na (b) Be The correct order in which the first ionisation potential increases is (a) K November 9, [...]
Dobernier traids is (a) Na, K, Rb (b) Mg, S, As (c) Cl, Br, I (d) P, S, As
08
Nov
Dobernier traids is (a) Na, K, Rb (b) Mg, S, As (c) Cl, Br, I (d) P, S, As As As (c) Cl Br Dobernier traids is (a) Na I (d) P K Rb (b) Mg S November 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,