Physics Diagnostic Test Class XI

A quantity that has only magnitude but no direction is called...

• Vector

• Force

• Speed

• Scalar

• Acceleration

The SI unit of speed is...

• m

• m/s

• m/s²

• s

• km

Uniform linear motion is characterized by...

• Constant acceleration

• Speed changing regularly

• Constant speed

• Constant position

• Negative acceleration

The symbol used to denote distance in Physics is...

• v

• a

• t

• s

• x

The equation for distance in uniform linear motion is...

• s = ut + ½at²

• s = vt

• s = v₀t + ½at

• s = a × t

• s = v/t

Constant speed indicates that the acceleration of the object is...

• Zero

• Negative

• Infinite

• Increasing

• Decreasing

If an object moves 10 meters every 2 seconds, then its speed is...

• 2 m/s

• 5 m/s

• 10 m/s

• 20 m/s

• 12 m/s

In uniform linear motion, the distance traveled by the object will...

• Always change

• Remain zero

• Be proportional to time

• Be inversely proportional to time

• Not depend on time

A car moves straight with a constant speed of 60 km/h. This means the car...

• Stops after 1 hour

• Moves with constant acceleration

• Covers 60 km each hour

• Slows down every hour

• Increases its speed every hour

If an object covers a distance of 40 m in 4 seconds, then its average speed is...

• 10 m/s

• 20 m/s

• 4 m/s

• 16 m/s

• 8 m/s