Physics-

General

Easy

Question

# in a sine wave, position of different particles at time t =0 is sbown in figure: The equation for this wave travelling along the positive x - direction can be

## The correct answer is:

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### Aspherical planet far out in space has mas Mo and diameter Do. A particle of falling near the surface of this planet will experience an acceleration due to gravity which is equal to

### Aspherical planet far out in space has mas Mo and diameter Do. A particle of falling near the surface of this planet will experience an acceleration due to gravity which is equal to

physicsGeneral

Maths-

### If then

We have used rules of indices and different formulae of differentiation to solve the question. When we find the derivative w.r.t to some variable we take another variable as consta.

### If then

Maths-General

We have used rules of indices and different formulae of differentiation to solve the question. When we find the derivative w.r.t to some variable we take another variable as consta.

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### The time period of a simple pendulum on a freely moving artificial satellite is

### The time period of a simple pendulum on a freely moving artificial satellite is

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physics

### The radius of the earth is 6400 km and g=. In order that a body of 5 kg weights zero at the equator, the angular speed of the earth is =……rad/sec

### The radius of the earth is 6400 km and g=. In order that a body of 5 kg weights zero at the equator, the angular speed of the earth is =……rad/sec

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physics-

### A transverse wave is represented by . For what value of its wavelength will the wave velocity be equal to the maximum velocity of the particle taking part in the wave propagation?

### A transverse wave is represented by . For what value of its wavelength will the wave velocity be equal to the maximum velocity of the particle taking part in the wave propagation?

physics-General

physics

### If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is =……

### If R is the radius of the earth and g the acceleration due to gravity on the earth's surface, the mean density of the earth is =……

physicsGeneral

physics-

### If. two almost identical waves having frequencies and produced one after the other superposes then the time interval to obtain a beat of maxirmum intensity is .......

### If. two almost identical waves having frequencies and produced one after the other superposes then the time interval to obtain a beat of maxirmum intensity is .......

physics-General

physics-

### As shown in figure, two pulses in a string having center to center distance of 8 cm are travelling abng mutually opposite direction. If the speed of both the pulse is s, then after 2s, the energy of these pulses will be…………

### As shown in figure, two pulses in a string having center to center distance of 8 cm are travelling abng mutually opposite direction. If the speed of both the pulse is s, then after 2s, the energy of these pulses will be…………

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physics

### As we go from the equator to the poles, the value of g…..

### As we go from the equator to the poles, the value of g…..

physicsGeneral

physics

### The gravitational force between two point masses and at separation r is given by F= The constant K…..

### The gravitational force between two point masses and at separation r is given by F= The constant K…..

physicsGeneral

physics

### Two point masses A and B having masses in the ratio 4:3 are seprated by a distance of 1m. When another point mass c of mass M is placed in between A and B the forces A and C is 1/3rd of the force between b and C, Then the distance C form is...m

### Two point masses A and B having masses in the ratio 4:3 are seprated by a distance of 1m. When another point mass c of mass M is placed in between A and B the forces A and C is 1/3rd of the force between b and C, Then the distance C form is...m

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physics

### Which of the following statement about the gravitational constant is true

### Which of the following statement about the gravitational constant is true

physicsGeneral

physics

### Three equal masses of mkg each are plced the vertices of an equilateral triangle PQR and a mass of 2 m kg is placed at the centroid 0 of the triangle which is at a distance of $\sqrt{2}$ m from each of vertices of triangle. The force in newton. acting on the mass 2 m is …….

### Three equal masses of mkg each are plced the vertices of an equilateral triangle PQR and a mass of 2 m kg is placed at the centroid 0 of the triangle which is at a distance of $\sqrt{2}$ m from each of vertices of triangle. The force in newton. acting on the mass 2 m is …….

physicsGeneral

biology

### Match the column

### Match the column

biologyGeneral

physics-

### As shown in figure, a block A having mass M is attached to one end of a massless spring. The block is on a frictionless horizontal surface and the free end of the spring is attached to a wall. Another block B having mass ' ' is placed on top of blockA. Now on displacing this system horizontally and released, it executes S.H.M. What should be the maximum amplitude of oscillation so that B does not slide off A? Coefficient of static friction between the surfaces of the block's is .

### As shown in figure, a block A having mass M is attached to one end of a massless spring. The block is on a frictionless horizontal surface and the free end of the spring is attached to a wall. Another block B having mass ' ' is placed on top of blockA. Now on displacing this system horizontally and released, it executes S.H.M. What should be the maximum amplitude of oscillation so that B does not slide off A? Coefficient of static friction between the surfaces of the block's is .

physics-General