X
6. For what values of x, the numbers -2/7, x, – 7/2 are in G.P.?
27
Oct
6. For what values of x, the numbers -2/7, x, – 7/2 are in G.P.? - 7/2 are in G.P.? 6. For what values of x the numbers -2/7 X October 27, 2021 Category: Chapter 9 - Sequences and Series , Maths , NCERT Exemplar Class 11 ,
If A × B = {(a, x), (a, y), (b, x), (b, y)} Find A and B .
22
Oct
If A × B = {(a, x), (a, y), (b, x), (b, y)} Find A and B . A) B If A × B = {(a X y y)} Find A and B . October 22, 2021 Category: Chapter 2 - Relations and Functions , Maths , NCERT Exemplar Class 11 ,
Let N be the set of natural numbers and the relation R be defined on N such that R = {(x,y):y = 2x,x,y ∈ N} What is the domain, co-domain and range of R? Is this relation a function?
13
Oct
Let N be the set of natural numbers and the relation R be defined on N such that R = {(x,y):y = 2x,x,y ∈ N} What is the domain, co-domain and range of R? Is this relation a function? co-domain and range of R? Is this relation a function? Let N be the set of [...]
Binding energy per nucleon versus mass number curve for nuclei is shown in figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is
15
Sep
Binding energy per nucleon versus mass number curve for nuclei is shown in figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is Binding energy per nucleon versus mass number curve for nuclei is shown in figure. W X Y and Z are four nuclei [...]
The following observations are arranged in ascending order : 26, 29, 42, 53, x, x + 2, 70, 75, 82, 93 If the median is 65, find the value of x.
04
Jul
The following observations are arranged in ascending order : 26, 29, 42, 53, x, x + 2, 70, 75, 82, 93 If the median is 65, find the value of x. 29 42 53 70 75 82 93 If the median is 65 find the value of x. The following observations are arranged in ascending [...]
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29 ,
42 ,
53 ,
70 ,
75 ,
82 ,
93 If the median is 65 ,
find the value of x. ,
The following observations are arranged in ascending order : 26 ,
X ,
x 2 ,
The Vander Waal’s parameters for gases W, X, Y and Z are Which of these gases has the highest critical temperature (a) W (b) X (c) Y (d) Z
12
Feb
The Vander Waal’s parameters for gases W, X, Y and Z are Which of these gases has the highest critical temperature (a) W (b) X (c) Y (d) Z The Vander Waal's parameters for gases W X Y and Z are Which of these gases has the highest critical temperature (a) W (b) X (c) [...]
Solve the following pairs of equations : (iv) 1/2x − 1y = −1, 1/x+1/2y = 8, x,y ≠ 0
22
Nov
Solve the following pairs of equations : (iv) 1/2x − 1y = −1, 1/x+1/2y = 8, x,y ≠ 0 1/x+1/2y = 8 Solve the following pairs of equations : (iv) 1/2x − 1y = −1 X y = 0 November 22, 2020 Category: Chapter 3 - Pair of Linear Equations in Two Variables , Maths [...]
Three identical metal rods, X, Y and Z are placed end to end and a temperature difference is maintained between the ends of X and Z. If the thermal conductivity of Y(Ky) is twice that of Z (Kz) and half that of X (Kx), then the effective thermal conductivity of the system is
19
Nov
Three identical metal rods, X, Y and Z are placed end to end and a temperature difference is maintained between the ends of X and Z. If the thermal conductivity of Y(Ky) is twice that of Z (Kz) and half that of X (Kx), then the effective thermal conductivity of the system is then the [...]
A charged particle of radius 5×10^−7 m is located in a horizontal electric field of intensity 6.28 × 10^5 V/m. The surrounding medium has the coeffiecient of viscosity η = 1.6 × 10^5 Ns/m^2. The particle starts moving under the effect of electric field and finally attains a uniform horizontal speed of 0.02 m/s. Find the number of electrons on it. Assume gravity free space.
30
Oct
A charged particle of radius 5×10^−7 m is located in a horizontal electric field of intensity 6.28 × 10^5 V/m. The surrounding medium has the coeffiecient of viscosity η = 1.6 × 10^5 Ns/m^2. The particle starts moving under the effect of electric field and finally attains a uniform horizontal speed of 0.02 m/s. Find [...]
Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d<<l) apart because of their mutual repulsion . The charge begins to leak from both the spheres at a constant rate. As a result the charge approach each other with a velocity v. Then as a function of distance x between them .
30
Oct
Two identical charged spheres suspended from a common point by two mass-less strings of length l are initially at a distance d ( d<<l) apart because of their mutual repulsion . The charge begins to leak from both the spheres at a constant rate. As a result the charge approach each other with a velocity [...]