Is Matter Around Us Pure ? — Science STD 9 — Question

Who derived the Universal Law for Gravitation:

The numerical ratio of displacement to distance for a moving object is:

The proteins and lipids, essential for building the cell membrane, are manufactured by:

Speed of a body depends on:

An earthenware keeps water cool but a metallic vessel does not because:

A freely falling object travels 4.9m in 1st second, 14.7m in 2nd second, 24.5m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of:

Why is atom electrically neutral:

Which one of the following is not a part of nucleus?

Deflection back of a few particles by large angle on hitting thin foil of gold in Rutherford's experiment showed that :

Which of the following was not proposed by Thomson?