A passenger in an aeroplane shall

A passenger in an Aeroplan shall

A passenger in an Aeroplan shall (A) never see a rainbow. (B) may see a primary and a secondary rainbow as concentric circles (C) may see a primary and a secondary rainbow as concentric arcs. (D) shall never see a secondary rainbow.

A passenger in an aeroplane flying over a straight road observed two consecutive milestones, 1km apart on the straight road at 60^@ and 30^@ angle of depression respectively. Find the height of the plane from the road at that time.

The passengers flying in aeroplane are advised to remove the ink from their pens while going up in the aeroplane , why?

A passenger of an aeroplane observes that Howrah station is at one side of the plane and Saheed minar is just one the opposite side. The angles of depression of Howrah station and Saheed minar from the passenger of aeroplane are 60^@ and 30^@ respectively. If the aeroplane is at a height of 545sqrt3 metres at that time, then find the distance between Howrah Stateion and Sahed minar.

A passenger of an aeroplane observes that Howrah station is at one side of the plane and Saheed minar is just on the opposite side. The angles of Howrah station and Saheed minar from the passenger of aeroplane are 60^@ and 30^@ respectively, If the aedroplane is a height of 544sqrt3 metres at that time. find the distance between Howrah station and Saheed minar.

A flying aeroplane has

Two aeroplanes 'A' and 'B' are moving away from one another with a speed of 720kmph . The frequency of the whistle emitted by 'A' is 1100Hz . The apparent frequency of the whistle as heard by the passenger of the aeroplane 'B' is (velocity of sound in air is 350ms^(-1) ).