PHYSICS CH6 Light — Science STD 9 — Question

Oxidising agents are also called as ______ because they remove electrons form other substances.

Which one of the following is an Application Software?

To prevent the entry of food into the trachea, the opening is guarded by ______.

A 10 mm long bin is placed vertically in front of a concave mirror. A 5 mm long image of the bin is formed at 30 cm in front of the mirror. The focal length of this mirror is

The area under v-t graph represents a physical quantity which has the unit.

Bond formed between a metal and non metal atom is usually ______.

The production and management of fish is called ______.

The maximum number of electrons that can be accommodated in s, p ,d, and f subshells are _________ .

When a body moves uniformly along the circle then

On a cold day, it is hard to open the lid of a tight container. But when you gently heat the neck you can easily open the lid. why?