Clothing and Covering the Aurah

Q: I have seen many women read salaah with tights or skinny jeans and they put a burqa over. The burqa ends around their knees and the rest of their legs are visible. Is the salaah valid?

Q: Is it permissible to pray salat wearing a t-shirt which contain a picture of human which is kept coverd?

Q: Is prayer acceptable whilst wearing eyelash extensions?

Q: Is it permissible that a person can offer Salah in a t-shirt that is half sleeved and does not have any image printed upon it? Also what is the ruling regarding three quarter shorts.

Q: Kindly explain the satr of a female in detail... does the forehead have to be completely covered and where does the chin end? Some women insist that the burqa must cover the tip of the chin downwards or else salaah is not accepted. Please clarify.

Q: Is namaz valid in night suits or T-shirt and trousers for girls? 

Q: What are the consequences if one prays Namaz with their clothes covering below the ankles ?

Q: Is salaah acceptable if the trouser of a man is going very low from the back but the line between the buttocks is not visible?

Q: Is topi (head covering) for men is necessary in salaah?

Q: I want to know if a man's trouser is minorly torn at different places, can he perform prayers or do dua?