NEET Exam Physics - Units and Dimension Quiz 1

1. Which of the following is a fundamental quantity?

Speed
Velocity
Time
Force

2. The dimensional formula for acceleration is:

[M L T^-2]
[L T^-2]
[M L^-1 T^-2]
[L^2 T^-2]

3. Which of the following pairs does NOT have the same dimensions?

Work and Energy
Force and Power
Impulse and Momentum
Pressure and Stress

4. The SI unit of power is:

Joule
Watt
Newton
Pascal

5. If the unit of length is doubled, what happens to the unit of area?

Becomes half
Becomes double
Becomes four times
Remains the same

6. The dimensional formula for pressure is:

[M L^-1 T^-2]
[M L T^-1]
[M L T^-2]
[M^1 L^-2 T^-2]

7. Which of the following is a derived unit?

Meter
Kilogram
Second
Newton

8. The dimensional formula for Planck's constant is:

[M L^2 T^-1]
[M^1 L^-1 T^-2]
[M^0 L^1 T^-1]
[M^1 L^1 T^0]

9. What is the dimension of gravitational constant G?

[M^-1 L^3 T^-2]
[M L^2 T^-2]
[M^1 L^-2 T^-2]
[M^2 L^-1 T^2]

10. Which of the following quantities has the same dimension as that of energy per unit volume?

Pressure
Force
Power
Impulse

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