Why bells of colleges and temple are of large size?

In the figure small triangles are drawn joining the mid points of large triangle. Find the perimeter of large triangle.

Why do noble gas have comparatively large atomic sizes?

a) The electron gain enthalpies of Be and Mg are positiVe. What is your opinion? Justify. b) Electron gain enthalpies of nobles gases have large positive values. Why?

The deposition of lipids on the wall lining, the lumen of large and medium-sized arteries is referred to as

Which of the following alkali metal cation has large size in aqueous solution? (1) L i + (2) N a + (3) K + (4) R b +

In the figure, A B C D E is a pentagon with all sides of the same length and all angles of the same size. The sides A B ." and AE extended, meet the side CDextended at P and Q . i). Are the sides of Delta BPC equal to 'the sides of Delta EQD? Why? ii) Are the side of AP and AQ of triangle APQ equal? Why?

The biological museums are generally set up in educational institutes such as schools and colleges. a. What are museums? b. How are museums helpful to us?