For the same angle of incidence the angles fo refreaction in media P,Q ,R and S are `50^(@) ,40^(@),30^(@),20^(@)` respectively the speed of lights is minimum in medium

For the same angle of incidence, the angles of refraction in media P, Q and R are 35^(@) ,25^(@), 15^(@) resp. In which medium will the velocity of light be minimum ?

For the same angle of incidence, the angles of refraction in three different media A, B and C are 15^(@), 25^(@) and 35^(@) respectively. In which medium, will the velocity of light be minimum ?

For the same value of angle of incidence, the angles of refraction in three media A, B and C are 15^(@), 25^(@) and 35^(@) respectively. In which medium would the velocity of light be minimum ?

For the same angle of incidence in media P,Q and R, the angles of refraction are 35^@, 25^@,15^@ respectively. In which medium will the velocity of light be minimum?

If angle fo incidence of a light ray on a plane mirror is 30^(@) , then