H
If U = { a, b, c, d, e, f, g, h} , find the complements of the following sets:
13
Oct
If U = { a, b, c, d, e, f, g, h} , find the complements of the following sets: -e B C D F find the complements of the following sets: g} H If U = { a October 13, 2021 Category: Chapter 1 - Sets , Maths , NCERT Exemplar Class 11 ,
R – CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) PBr3, KCN , H3O+ (b) PBr3, KCN, H2 (c) HCN, PBr3, H+
13
Feb
R – CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) PBr3, KCN , H3O+ (b) PBr3, KCN, H2 (c) HCN, PBr3, H+ H H2 (c) HCN H3O+ (b) PBr3 KCN PBr3 R - CH2 -CH2OH can be converted into RCH2CH2COOH. The correct sequence fo the reagents is (a) [...]
The electronegativity of C , H , O , N and S are 2.5 , 2.1 , 3.1 , 3.5 , 3.0 and 2.5 respectively . which of the following bond is most polar
02
Dec
The electronegativity of C , H , O , N and S are 2.5 , 2.1 , 3.1 , 3.5 , 3.0 and 2.5 respectively . which of the following bond is most polar 2.1 3.0 and 2.5 respectively . which of the following bond is most polar 3.1 3.5 H N and S are [...]
The ratio of the speed of the electron in the first Bohr orbit of hydrogen and the speed of light is equal to (where e,h, and c have their usual meanings in cgs system)
15
Oct
The ratio of the speed of the electron in the first Bohr orbit of hydrogen and the speed of light is equal to (where e,h, and c have their usual meanings in cgs system) and c have their usual meanings in cgs system) H The ratio of the speed of the electron in the first [...]
Which of the following product of e, h, muon, G ( where muon is the permeability) be taken so that the dimensions of the product are same as that of the speed of light?
15
Sep
Which of the following product of e, h, muon, G ( where muon is the permeability) be taken so that the dimensions of the product are same as that of the speed of light? G ( where muon is the permeability) be taken so that the dimensions of the product are same as that of [...]
Let the acceleration due to gravity be g1 at a height h above the earth’s surface g2 at a depth d below the earth’s surface. If g1 = g2,h
14
Sep
Let the acceleration due to gravity be g1 at a height h above the earth’s surface g2 at a depth d below the earth’s surface. If g1 = g2,h H Let the acceleration due to gravity be g1 at a height h above the earth's surface g2 at a depth d below the earth's surface. [...]
The following figure shows the variation of intensity of magnetization versus the applied magnetic field intensity, H, for two magnetic materials A and B : (a) Identify the materials A and B. (b) Why does the material B, have a larger susceptibility than A, for a given field at constant temperature?
05
Sep
The following figure shows the variation of intensity of magnetization versus the applied magnetic field intensity, H, for two magnetic materials A and B : (a) Identify the materials A and B. (b) Why does the material B, have a larger susceptibility than A, for a given field at constant temperature? for a given field [...]
Tags:
for a given field at constant temperature? ,
for two magnetic materials A and B : (a) Identify the materials A and B. (b) Why does the material B ,
H ,
have a larger susceptibility than A ,
The following figure shows the variation of intensity of magnetization versus the applied magnetic field intensity ,
A ball is projected vertically up such that it passes through a fixed point after a time t 1 and t 2 , respectively. Find a.The height at which the point is located with respect to the point of projection b. The speed of the projection of the ball. c.The velocity of the ball at the time of passing through point P. d. (i) The maximum height reached by the ball relative to the point of projection A and (ii) maximum height reached by the ball relative to point P under consideration. e. The average speed and average velocity of the ball during the motion from A to P for the time t 1 and t 2 , respectively.
27
Aug
A ball is projected vertically up such that it passes through a fixed point after a time t 1 and t 2 , respectively. Find a.The height at which the point is located with respect to the point of projection b. The speed of the projection of the ball. c.The velocity of the [...]
Tags:
A ball is projected vertically up such that it passes through a fixed point after a time t 1 and t 2 ,
A particle is projected vertically upwards from the ground with an initial velocity u. a.Find the maximum height ,
A takes a time of t s ,
H ,
In a car race ,
provided the length of each train is 400m. ,
train P crosses the engine of train Q.Find out what was the distance between the two trains initially ,
Two trains P and Q are moving along parallel tracks with the same uniform speed of 20 ms ^−1 . The driver of train P decides to overtake train Q and accelerates his train by 1 ms ^−2 . After 50 s ,
A particle is projected vertically upwards from the ground with an initial velocity u. a.Find the maximum height, H, the particle will attain and time T that it will take to return to the ground. b.What is the velocity when the particle returns to the ground? c. What is the displacement and distance travelled by the particle during this time of the whole motion?
27
Aug
A particle is projected vertically upwards from the ground with an initial velocity u. a.Find the maximum height, H, the particle will attain and time T that it will take to return to the ground. b.What is the velocity when the particle returns to the ground? c. What is the displacement and distance travelled by [...]
Tags:
A particle is projected vertically upwards from the ground with an initial velocity u. a.Find the maximum height ,
A takes a time of t s ,
H ,
In a car race ,
provided the length of each train is 400m. ,
train P crosses the engine of train Q.Find out what was the distance between the two trains initially ,
Two trains P and Q are moving along parallel tracks with the same uniform speed of 20 ms ^−1 . The driver of train P decides to overtake train Q and accelerates his train by 1 ms ^−2 . After 50 s ,