CUET · PHYSICS · PYQ PAPER 2023
The ratio of speeds of X-rays of wavelength \(10^{-9} m\) and visible light of wavelength \(10^{-7} m\) in vacuum is :
- A \(100: 1\)
- B \(1: 100\)
- C \(1: 1\)
- D \(10: 1\)
Answer & Solution
Correct Answer
(C) \(1: 1\)
Step-by-step Solution
Detailed explanation
Speed of X-rays in vacuum \( = c \) Speed of visible light in vacuum \( = c \) Ratio \( = c:c = 1:1 \)
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