Who first measured the velocity of light...? Mcqs

PPSC Past Papers

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Who first measured the velocity of light...?

(A) Einstein
(B) Newton

(C) Ole Roemer
(D) Galileo

✅ Correct Answer: Ole Roemer

Comments

Source: This question is taken from the Everyday Science

💡 English word par Double-Click karein: Urdu meaning + pronunciation 🔊

Clocks, which moves with the velocities comparable with the velocity of light, run ...?

(A) fast
(B) slow

(C) equal to the velocity of light
(D) with zero velocity

✅ Correct Answer: slow

Comments

Source: This question is taken from the Everyday Science

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