JEE PHYSICS UNIT 1: UNITS AND MEASUREMENTS
QUIZ NO 3
TOTAL QUESTIONS = 20
1. The SI unit of work or energy is
A. Joule
B. Newton
C. Watt
D. Pascal
2. The dimensional formula of velocity is
A. [M L T^-1]
B. [M L^2 T^-1]
C. [M^2 L T^-1]
D. [M L T^-2]
3. Which of the following is a base quantity in the SI system?
A. Time
B. Speed
C. Force
D. Energy
4. The relative error in the measurement of length is defined as
A. (Maximum length error)/(Measured length)
B. (Measured length)/(Maximum length error)
C. (Maximum length error)×(Measured length)
D. (Measured length)÷(Maximum length error)
5. The dimensional formula for electric potential is
A. [M L^2 T^-3 A^-1]
B. [M L^2 T^-2 A^-1]
C. [M L^3 T^-3 A^-1]
D. [M L^2 T^-1 A^-1]
6. Which of the following is the SI unit of force?
A. Newton
B. Dyne
C. Pound
D. Kilogram
7. The unit of power in the SI system is
A. Watt
B. Joule
C. Newton
D. Ampere
8. The dimensional formula for the moment of inertia is
A. [M L^2]
B. [M L^3]
C. [M^2 L^2]
D. [M L^2 T^-2]
9. The SI unit of mass is
A. Kilogram
B. Gram
C. Pound
D. Ounce
10. Which of the following is the correct relation between wavelength and frequency for a wave?
A. v = λf
B. v = λ/f
C. f = λv
D. λ = f/v
11. The product of force and time is called
A. Impulse
B. Momentum
C. Work
D. Power
12. Which of the following quantities is dimensionless?
A. Force
B. Gravitational constant
C. Solid angle
D. Speed
13. The SI unit of current is
A. Ampere
B. Coulomb
C. Volt
D. Ohm
14. What is the correct dimensional formula for the acceleration due to gravity?
A. [M L T^-2]
B. [M L^2 T^-2]
C. [M L T^-3]
D. [M L^2 T^-1]
15. Which of the following is a derived SI unit?
A. Meter
B. Kilogram
C. Joule
D. Second
16. The unit of energy in the SI system is
A. Joule
B. Watt
C. Newton
D. Pascal
17. In the equation v = u + at, the dimensions of a are
A. [L T^-2]
B. [M L^-1 T^-2]
C. [M L^2 T^-2]
D. [L^-1 T^-2]
18. Which of the following is a correct expression for work done?
A. Force × Time
B. Force × Distance
C. Mass × Acceleration
D. Velocity × Distance
19. The SI unit of charge is
A. Coulomb
B. Ampere
C. Volt
D. Ohm
20. The dimensions of Planck's constant (h) are
A. [M L^2 T^-1]
B. [M L^2 T^-2]
C. [M^2 L^2 T^-1]
D. [M L^2 T^-3]
Submit Quiz
Disclaimer for MCQ Quiz
The questions in this MCQ quiz are intended solely for educational purposes. While we strive to ensure the accuracy of the content, the information provided may not always be up-to-date or complete. The quiz creators are not liable for any misunderstandings, errors, or any consequences arising from the use of this quiz. Participants should verify any information independently before relying on it for any critical decision-making.
इस MCQ क्विज़ के प्रश्न केवल शैक्षिक उद्देश्यों के लिए हैं। हम सामग्री की सटीकता सुनिश्चित करने का प्रयास करते हैं, फिर भी यहां दी गई जानकारी हमेशा अद्यतित या पूर्ण नहीं हो सकती। क्विज़ के निर्माता किसी भी गलतफहमी, त्रुटि या इस क्विज़ के उपयोग से उत्पन्न होने वाले किसी भी परिणाम के लिए उत्तरदायी नहीं हैं। प्रतिभागियों को किसी भी महत्वपूर्ण निर्णय के लिए इस जानकारी पर निर्भर होने से पहले स्वतंत्र रूप से इसकी पुष्टि करनी चाहिए। https://www.pyqonline.com यदि कोई गलती है या कोई सुझाव है तो e-mail करें
[email protected]
