Jatinder Singh Solutions for Chapter: Practice Papers for Revision, Exercise 10: PRACTICE PAPER - 10

What will an alpha particle change into when it absorbs two electrons?

Mention two important properties of metal that make it a good thermionic emitter?

State the class of lever to which scissors belong is? Draw diagram to explain it.

State the class of lever to which See-saw belong is? Draw diagram to explain it.

Where does the centre of gravity lie for circular lamina.

Which of the radiations $\mathrm{\alpha }, \mathrm{\beta }, \mathrm{\gamma }$ is similar to cathode rays?

What happens to the position of element in the periodic table when it emits $\beta -$particle?

What will an alpha particle change into when it absorbs two electrons?