2 answers Q:What is the thermometric substance of bimetallic thermometer 4 answers Q:When you add energy to matter the particles move 14 answers Previous12345678910Next Trending Questions How do the mass and speed of an object affect the kenetic energy?When to vectors sum to zero how must they...
Here are Physics interview questions and answers for freshers as well as experienced candidates to get their dream job. 1) Explain what is Quantum Physics? The understanding of behaviour of matter and energy at the molecular, nuclear, atomic and even microscopic levels is referred as Quantum phys...
Questions Settings This quiz covers Chapter 10 in physics involving problems over work, power, and energy. Questions and Answers 1. A pulley system consits of two fixed pulleys and two movable pullys that lift a load that has a weight of 300 N. If the effort force used to lift the ...
Class 10 Science, Physics MCQs chapter-wise for students are given here. Practice these questions, increase your chances of scoring more on board exams, and download the PDF for each chapter MCQs.
Kinetic energy K = 0 at the top. At the bottom, U = 0K = mv2/2 U at top = K at bottom mv2/2 = mgL(1 - cosθ) v = [2gL(1 - cosθ)]1/2 Just substitute given values and simplify. Can you finish from here? Feel free to post a comment if you need more help. (Also...
What was the energy at the start of the universe and how did it create matter? If the question is “how much?” or “where did it come from?”, the answers are unfortunately “a hell of a lot” and “we can only guess”. These are still very open questions. There are lots of ...
Grade 9 Physics Questions and Answers 1. The volume of a cube is A. Length times width times height B. Half base times height C. 22/7 times the square of the radius D. Length times length times length Correct Answer D. Length times length times length ExplanationThe correct ...
2 Answers By Expert Tutors Best Newest Oldest William W. answered • 09/14/19 Tutor 5.0 (936) Experienced Tutor and Retired Engineer About this tutor › Photon energy is calculated using Planck's postulate which is written as E = hf, where E is photon energy in Joules; h is...
The field of viscous liquid and glassy solid dynamics is reviewed by a process of posing the key questions that need to be answered, and then providing the... ANGEL,C. A. - 《J.appl.phys》 被引量: 1839发表: 2000年 An Exactly Soluble Model of a Many-Fermion System theory for the sa...
Get Physics Important Questions for Class 11 & Class 12 chapterwise, All Physics Chapters are covered here, Click here to check Important Questions