Ruling on following the imam from outside the mosque or following a prayer by listening to the radio

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Check below answers in case you are looking for other related questions:
Minimum number required for Jumu'ah prayer
Can women pray alongside men with a barrier?

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Related Answers:
There is no stipulation that Jumu‘ah prayer should be offered in a masjid or jaami‘
He lives in a city where there are no other Muslims; how should he pray Jumu‘ah?
It is better for a woman to pray in her house than in the mosque
Minimum number required for Jumu'ah prayer
Can women pray alongside men with a barrier?

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