Physics MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
Prepare for Success with Online Physics Exams
Maximize your exam success with powerful online physics exams designed to enhance your preparation. Whether you’re revisiting basic physics concepts or diving into more complex topics, these online platforms provide invaluable resources. They offer a variety of practice questions and physical tests, including MCQ answers, that are essential for mastering both fundamental and advanced physics. Focusing on force and motion MDCAT MCQs and comprehensive practice tests can give you a competitive edge.
To excel in your physical exams, particularly the MDCAT, it’s crucial to engage with high-quality practice MCQs tailored specifically for the Pakistan curriculum. By practicing with force and motion MDCAT MCQs and other Pak MCQs, you can sharpen your problem-solving skills and boost your confidence. Take advantage of these online resources to ensure thorough preparation and achieve top results in your physics exams.
The energy conversion in a refrigerator involves:
A. Electrical to thermal
B. Thermal to electrical
C. Chemical to thermal
D. Mechanical to electrical
Answer: Electrical to thermal
The work done to lift a 7 kg object to a height of 3 meters is:
A. 210 J
B. 21 J
C. 30 J
D. 70 J
Answer: 210 J
The power of a motor that performs 2000 J of work in 40 seconds is:
A. 50 W
B. 80 W
C. 100 W
D. 60 W
Answer: 50 W
The kinetic energy of a 15 kg object moving at 6 m/s is:
A. 540 J
B. 450 J
C. 360 J
D. 180 J
Answer: 540 J
The energy conversion in a gas-powered car is primarily from:
A. Chemical to mechanical
B. Mechanical to chemical
C. Electrical to chemical
D. Thermal to electrical
Answer: Chemical to mechanical
The efficiency of a power plant is the ratio of:
A. Useful energy output to energy input
B. Energy input to useful energy output
C. Work done to total energy input
D. Total energy output to power used
Answer: Useful energy output to energy input
The energy stored in a charged capacitor is an example of:
A. Electrical potential energy
B. Kinetic energy
C. Gravitational potential energy
D. Thermal energy
Answer: Electrical potential energy
The work done by a force of 20 N moving an object 5 meters is:
A. 100 J
B. 10 J
C. 25 J
D. 50 J
Answer: 100 J
The work done to move an object with a force of 12 N over a distance of 4 meters is:
A. 48 J
B. 16 J
C. 36 J
D. 24 J
Answer: 48 J