Which one of the following is not an HYV of wheat ?

(1) Sonalika

(2) Ratna

(3) Kalyan Sona

(4) Girija

When is an object said to be in motion? 

What is rectilinear motion?

What is kinematics? 

What is required to specify the position of an object?

What is meant by path length? 

 What is displacement? 

What is meant by uniform motion?

What is the position - time graph?

Define average velocity.

Define average speed.