PRE UPS 1 Physics

The SI unit for temperature is:

• Kelvin

• Celsius

• Fahrenheit

• Joule

Answer explanation

The correct symbol for unit "milliliter" is :

• ml

• mL

• Mltr

• mtrL

Which of the following is a scalar quantity?

• Velocity

• Force

• Distance

• Acceleration

Which of the following is a derived quantity?

• Time

• Mass

• Length

• Density

If an object is moving with a constant velocity, what can be said about its acceleration?

• It is zero

• It is positive

• It is negative

• It is changing

The area under a velocity-time graph represents:

• Displacement

• Acceleration

• Distanced traveled

• Initial velocity

An object is thrown upwards, what is the velocity at the maximum height?

• It increase

• It decrease

• It remains constant

• It become zero

If an object's velocity-time graph is a HORIZONTAL LINE, what can be said about its acceleration?

• It is positive

• It is negative

• It is zero

• It is changing rapidly

The rate of change of velocity is known as:

• Speed

• Acceleration

• Distance

• Momentum

Which of the following is a statement of the Law of Conservation of Momentum?

• Total momentum is always increasing

• Total momentum is always decreasing

• Total momentum remains constant in the absence of external forces

• Total momentum depends on the masses of the objects only