Question

the value of (mu not apsilon not) ^-1/2=

Answer 1

ans (b) 3*10^8 m/s...i. e., c=speed of light

Answer 2

Answer:

(a)

Step-by-step explanation:

Step 1 since velocity is written usually in times new roman ,

Step 2 Therefore option a is correct because light is travelling faster from A's point of horizon .

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