The angle of depression to the foot of a building from the top of an 88\(\sqrt{3}\) m high tower is 60°. How far is the tower located from the building?

Choose the correct picture which comes next in the sequence of the above pictures:
This is an element belonging to the 16th group of the periodic table that is used in the manufacturing of vulcanised rubber. This element reacts with hot and conc. HNO3 to form sulphuric acid. Which element is it?

Choose the correct picture from the below options which fits the blank space(?) above.