JEE PHYSICS UNIT 1: UNITS AND MEASUREMENTS QUIZ NO 2 TOTAL QUESTIONS = 20 Mock Test Quiz Free MCQ pyqonline.com

JEE PHYSICS UNIT 1: UNITS AND MEASUREMENTS
QUIZ NO 2
TOTAL QUESTIONS = 20

1. The SI unit of force is

A. Newton B. Dyne C. Joule D. Pascal

2. The dimensional formula for energy is

A. [M L^2 T^-2] B. [M L^2 T^-1] C. [M^2 L^2 T^-2] D. [M L T^-2]

3. Which of the following is the SI unit of acceleration?

A. m/s^2 B. m/s C. m^2/s^2 D. m^2/s

4. The unit of pressure in the SI system is

A. Pascal B. Bar C. Dyne D. Newton

5. Which of the following is a vector quantity?

A. Speed B. Distance C. Velocity D. Energy

6. The dimensional formula of force is

A. [M L T^-2] B. [M L^2 T^-2] C. [M T^-2] D. [M L^-2 T]

7. The SI unit of temperature is

A. Kelvin B. Celsius C. Fahrenheit D. Rankine

8. What is the dimensional formula for the gravitational constant?

A. [M^-1 L^3 T^-2] B. [M L^3 T^-2] C. [M L^2 T^-3] D. [M^2 L^3 T^-2]

9. Which of the following is not a fundamental quantity?

A. Length B. Time C. Speed D. Mass

10. The speed of light in vacuum is represented by

A. c B. v C. u D. r

11. In a measurement, the uncertainty is often expressed in terms of

A. Relative error B. Absolute error C. Percentage error D. All of the above

12. Which of the following is the correct dimensional formula for power?

A. [M L^2 T^-3] B. [M L^2 T^-2] C. [M L^2 T^-1] D. [M^2 L^2 T^-3]

13. The unit of charge in SI system is

A. Coulomb B. Ampere C. Volt D. Ohm

14. Which of the following is a scalar quantity?

A. Velocity B. Force C. Speed D. Acceleration

15. The unit of energy in the SI system is

A. Joule B. Watt C. Newton D. Calorie

16. Which of the following quantities has no dimensions?

A. Velocity B. Gravitational constant C. Angle D. Force

17. The SI unit of frequency is

A. Hertz B. Watt C. Joule D. Newton

18. The dimensional formula of electric field is

A. [M L T^-3 A^-1] B. [M L^3 T^-3 A^-1] C. [M L^2 T^-3 A^-1] D. [M L^-2 T^-3 A^-1]

19. The measurement of mass is based on the comparison with a standard mass using a

A. Spring balance B. Beam balance C. Hydrometer D. Barometer

20. The dimensional formula for the universal gas constant is

A. [M L^2 T^-2 K^-1] B. [M L^2 T^-2] C. [M L^3 T^-2] D. [M L^2 T^-3 K^-1]

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