Maths-

General

Easy

Question

When the speed of an object approaches the speed of light, its length as seen by an observer changes. When the object is stationary relative to an observer, its length is , and when the same object is moving at speed relative to the observer, its length is . The formula above expresses in terms of , and , the speed of light. Which of the following gives the speed of the object in terms of the other quantities?

## The correct answer is:

### In the given question, we have been given an equation representing the relationship between the variables L and S, v & c.

We have to convert that into a relationship between v and L, S & c.

Step-by-step solution:-

------------------------ (Squaring both the sides)

----------------------(Multiplying both the sides by -1)

-------------------(Taking square roots both the sides)

Final Answer:-

Option A is the correct Option.

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