# According to the theory of relativity, which of the following always remains constant ? with Answer - Everyday Science Mcqs | TestPrep

> Solved MCQ: According to the theory of relativity, which of the following always remains constant ? Correct Answer: D. Velocity of light. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# According to the theory of relativity, which of the following always remains constant ?

Direct Answer & Quick Reference

The correct option is **D. Velocity of light**.

One of the oddest things about our universe is that it has some fundamental constants. … Thus, for his theory of relativity to work, he hypothesized that the speed of light must re...

A. Length of an object

B. Time

C. Space

D. Velocity of light **(Correct Answer)**

✨ Explain with AI

Verified Key: D. Velocity of light
Solved by 4,682+ students

**Detailed Explanation & Reference:**

One of the oddest things about our universe is that it has some fundamental constants. … Thus, for his theory of relativity to work, he hypothesized that the speed of light must remain constant. In the century since Einstein developed his theory, every conclusion he made has been proven to be correct.

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*Source: https://test-prep.blog/mcq/according-to-the-theory-of-relativity-which-of-the-following-always-remains-cons-017cca16-9955-4d55-ac8a-fe0786d109e2*
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