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Question

Which one of the following is the strongest base

$B e {(O H)}_{2}$
$M g {(O H)}_{2}$
$A l {(O H)}_{3}$
$S i {(O H)}_{4}$

The correct answer is: $M g open parentheses O H close parentheses subscript 2 end subscript$

$M g left parenthesis O H right parenthesis subscript 2 end subscript$ Mg is most electropositive element amongst the given elements.

Alkaline earth metals come under

chemistry-General

General

physics

The earth revolves round the sun in one year. If distance between then becomes double the new period will be ……. years.

physicsGeneral

General

physics-

A freely falling stone crashes through a horizontal glass plate at time t and losses half of its velocity. After time $fraction numerator t over denominator 2 end fraction$ it fills on the ground. The glass plate is 60 m high from the ground Find the total distance traveled by the stone. $open square brackets g equals 10 text end text m s to the power of negative 2 end exponent close square brackets$

physics-General

General

physics-

Particle A is projected vertically upward from a top of a tower. At the same time particle B is dropped from the same point. The graph of distance (s) between the two particle varies with time is.

physics-General

General

physics

The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun.

physicsGeneral

General

Maths-

Let $a with not stretchy bar on top equals 2 ı with not stretchy bar on top plus 3 ȷ with not stretchy bar on top plus k with not stretchy bar on top comma b with not stretchy bar on top equals 4 ı with not stretchy bar on top plus ȷ with not stretchy bar on top$ and $c with not stretchy bar on top equals ı with not stretchy bar on top minus 3 ȷ with not stretchy bar on top minus 7 k with not stretchy bar on top$ A vector $r with not stretchy bar on top$ is such that $Error converting from MathML to accessible text.$ $Error converting from MathML to accessible text.$

We can solve simultaneous equations as we feel easy for us. There are not any particular steps to be followed. We just have to solve the equation to find the values of the variables. We try to eliminate the variables using addition and subtraction to single out single variable.

Let $a with not stretchy bar on top equals 2 ı with not stretchy bar on top plus 3 ȷ with not stretchy bar on top plus k with not stretchy bar on top comma b with not stretchy bar on top equals 4 ı with not stretchy bar on top plus ȷ with not stretchy bar on top$ and $c with not stretchy bar on top equals ı with not stretchy bar on top minus 3 ȷ with not stretchy bar on top minus 7 k with not stretchy bar on top$ A vector $r with not stretchy bar on top$ is such that $Error converting from MathML to accessible text.$ $Error converting from MathML to accessible text.$

Maths-General

General

physics

The earth E moves in an elliptical orbit with the sun s at one of the foci as shown in figure. Its speed of motion will be maximum at a point…..

physicsGeneral

General

physics-

Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity → time

physics-General

General

physics-

Here are displacement $rightwards arrow$ time graphs of particle A and B .if $V subscript A end subscript$ and $V subscript B end subscript$ are velocities of the particles respectively, then $fraction numerator V subscript A end subscript over denominator V subscript B end subscript end fraction$ =……

physics-General

General

Physics-

Which part shows initial velocity of the particle?

Physics-General

General

physics

A satellite of mass m is circulating around the earth with constant angular velocity. If radius of the orbit is RO and mass of earth M, the angular momentum about the center of earth is,

physicsGeneral

General

Maths-

If $f left parenthesis x right parenthesis equals open parentheses 10 minus x to the power of 7 end exponent close parentheses to the power of 1 divided by 7 end exponent$ , then $f o f left parenthesis x right parenthesis equals$

Maths-General

General

physics-

A graph of moving body with constant acceleration is given in the figure. What is the velocity aftertime t $?$

physics-General

General

physics-

The graph of displacement (x) $rightwards arrow$ time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

physics-General

General

physics-

In the above figure acceleration (a) $rightwards arrow$ time (t) graph is given. Hence $V invisible function application alpha horizontal ellipsis horizontal ellipsis$

physics-General

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Which one of the following is the strongest base

The correct answer is:

Mg is most electropositive element amongst the given elements.

Related Questions to study

Alkaline earth metals come under

Alkaline earth metals come under

The earth revolves round the sun in one year. If distance between then becomes double the new period will be ……. years.

The earth revolves round the sun in one year. If distance between then becomes double the new period will be ……. years.

A freely falling stone crashes through a horizontal glass plate at time t and losses half of its velocity. After time it fills on the ground. The glass plate is 60 m high from the ground Find the total distance traveled by the stone.

A freely falling stone crashes through a horizontal glass plate at time t and losses half of its velocity. After time it fills on the ground. The glass plate is 60 m high from the ground Find the total distance traveled by the stone.

Particle A is projected vertically upward from a top of a tower. At the same time particle B is dropped from the same point. The graph of distance (s) between the two particle varies with time is.

Particle A is projected vertically upward from a top of a tower. At the same time particle B is dropped from the same point. The graph of distance (s) between the two particle varies with time is.

The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun.

The period of revolution of planet A around the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun.

Let and A vector is such that

Let and A vector is such that

The earth E moves in an elliptical orbit with the sun s at one of the foci as shown in figure. Its speed of motion will be maximum at a point…..

The earth E moves in an elliptical orbit with the sun s at one of the foci as shown in figure. Its speed of motion will be maximum at a point…..

Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity → time

Given graph shows relation between position (X)→ time (t) Find the correct graph of velocity → time

Here are displacement time graphs of particle A and B .if and are velocities of the particles respectively, then =……

Here are displacement time graphs of particle A and B .if and are velocities of the particles respectively, then =……

Which part shows initial velocity of the particle?

Which part shows initial velocity of the particle?

A satellite of mass m is circulating around the earth with constant angular velocity. If radius of the orbit is RO and mass of earth M, the angular momentum about the center of earth is,

A satellite of mass m is circulating around the earth with constant angular velocity. If radius of the orbit is RO and mass of earth M, the angular momentum about the center of earth is,

If , then

If , then

A graph of moving body with constant acceleration is given in the figure. What is the velocity aftertime t

A graph of moving body with constant acceleration is given in the figure. What is the velocity aftertime t

The graph of displacement (x) time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

The graph of displacement (x) time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

In the above figure acceleration (a) time (t) graph is given. Hence

In the above figure acceleration (a) time (t) graph is given. Hence

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The correct answer is: $M g open parentheses O H close parentheses subscript 2 end subscript$

$M g left parenthesis O H right parenthesis subscript 2 end subscript$ Mg is most electropositive element amongst the given elements.

If $f left parenthesis x right parenthesis equals open parentheses 10 minus x to the power of 7 end exponent close parentheses to the power of 1 divided by 7 end exponent$ , then $f o f left parenthesis x right parenthesis equals$

If $f left parenthesis x right parenthesis equals open parentheses 10 minus x to the power of 7 end exponent close parentheses to the power of 1 divided by 7 end exponent$ , then $f o f left parenthesis x right parenthesis equals$

A graph of moving body with constant acceleration is given in the figure. What is the velocity aftertime t $?$

A graph of moving body with constant acceleration is given in the figure. What is the velocity aftertime t $?$

The graph of displacement (x) $rightwards arrow$ time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

The graph of displacement (x) $rightwards arrow$ time (t) for an object is given in the figure. In which part of the graph the acceleration of the particle is positive ?

In the above figure acceleration (a) $rightwards arrow$ time (t) graph is given. Hence $V invisible function application alpha horizontal ellipsis horizontal ellipsis$

In the above figure acceleration (a) $rightwards arrow$ time (t) graph is given. Hence $V invisible function application alpha horizontal ellipsis horizontal ellipsis$