Physics

General

Easy

Question

# The largest and shortest distance of the earth from the sun are r_{1} and r_{2} its distance from the sun when it is at the perpendicular to the major axis of the orbit drawn from the sun

## The correct answer is:

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### and

For such questions, we should know about the dot product.

### and

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For such questions, we should know about the dot product.

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### An ant goes from to Q on a circular path in 20 second Radius OP=10 m. What is the average speed and average velocity of it ?

### An ant goes from to Q on a circular path in 20 second Radius OP=10 m. What is the average speed and average velocity of it ?

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### The graph of position time shown in the figure for a particle is not possible because ...

### The graph of position time shown in the figure for a particle is not possible because ...

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### Shape of the graph of position time given in the figure for a body shows that

### Shape of the graph of position time given in the figure for a body shows that

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### As shown in the figure particle P moves from A to and particle Q moves from C to D. Displacements for P and Q are and y respectively then

### As shown in the figure particle P moves from A to and particle Q moves from C to D. Displacements for P and Q are and y respectively then

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### Kepler's second law regarding constancy of aerial velocity of a planet is consequences of the law of conservation of

### Kepler's second law regarding constancy of aerial velocity of a planet is consequences of the law of conservation of

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### The orbital speed of Jupiter is

### The orbital speed of Jupiter is

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### If the earth is at one-fourth of its present distance from the sun the duration of year will be

### If the earth is at one-fourth of its present distance from the sun the duration of year will be

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### The period of a satellite in a circular orbit of radius R is T. the period of another satellite in a circular orbit of radius 4R is

### The period of a satellite in a circular orbit of radius R is T. the period of another satellite in a circular orbit of radius 4R is

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### Here is a cube made from twelve wire each of length , An ant goes from to through path A-B-C-G. Calculate the displacement.

### Here is a cube made from twelve wire each of length , An ant goes from to through path A-B-C-G. Calculate the displacement.

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### As shown in the figure a particle starts its motion from 0 to . And then it moves from. A to B. is an are find the Path length

### As shown in the figure a particle starts its motion from 0 to . And then it moves from. A to B. is an are find the Path length

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### A particle moves from A to P and then it moves from P to B as shown in the figure. Find path length and displacement.

### A particle moves from A to P and then it moves from P to B as shown in the figure. Find path length and displacement.

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### A particle moves from A to B and then it moves from B to C as shown in figure. Calculate the ratio between path length and displacement.

### A particle moves from A to B and then it moves from B to C as shown in figure. Calculate the ratio between path length and displacement.

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### As shown in the figure a particle moves from. 0 to A, and then to B. Find pathlength and displacement.

### As shown in the figure a particle moves from. 0 to A, and then to B. Find pathlength and displacement.

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### The vectors are equal in length and pair wise make equal angles. If , then

For such questions, concept of scalar product is important. When we take a dot product of two vectors, we get a scalar value. This is called as scalar product.

### The vectors are equal in length and pair wise make equal angles. If , then

Maths-General

For such questions, concept of scalar product is important. When we take a dot product of two vectors, we get a scalar value. This is called as scalar product.