Questions

When warm air rises up and cold air from the surrounding areas rushes in to fill its place then this sets up ________________ in air.

What is the effective resistance (in Ω) of two resistors 12 Ω and 24 Ω connected in parallel?

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.

The mass per unit volume is called

The process of reducing the milk fat globules size to allow them to stay evenly distributed in milk is called ____.

Movement along the supply curve is known as ______

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Operant conditioning can be described as a learning ______ that is used to modify or change a person’s behaviour through experiences and consequences.

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.