Answer: Wavelength, amplitude, frequency, and velocity. Protons, neutrons, and electrons differ in that: a.Protons and neutrons form the nucleus of an atom, while electrons are found in. This page is a good resource for students who want good quality problems to practice with when studying for tests and exams. Answer: B. Q: How many seconds in a minute? If you check the last 2 year’s papers of SSC CGL any other competitive exams, you will find that many questions from Science & Technology are asked. a. Which of the statements about quantum theory is/are false? Answer: Wavelength. b. Quantum mechanics, a system based on quantum theory, has superseded Newtonian mechanics in the interpretation of physical phenomena on the atomic scale. 92) A man of 50 kg mass is standing in a gravity-free space at a height of 10 m above the floor. Answer: Percy Spencer. Answer: A. Answer: Both England & America in 1731. c. No detectable loss but some gain occurs in chemical reactions. fixed energy levels around the nucleus of the atom. 5. Save my name, email, and website in this browser for the next time I comment. Answer: D. 57) What is known as the maximum displacement of the particles of the medium from their equilibrium position? Answer: Daniel Bernoulli. (a) 12% (b) 10% (c) 8% (d) 2% 10. 37) How is the sound produced when we speak? Answer: D. 5) Use of Apgar scale: Centripetal force and gravitation. Answer: Velocity = frequency x wavelength. 9. Find the speed of propagation? D: 100-----2. Answer: Hertz. 3) Who devised the Apgar Scale? The four fundamental forces of nature are, gravity, electromagnetic force, weak nuclear force, and strong nuclear force. Retrieved from www.physicsclassroom.com, [iv] The Four Fundamental Forces. 32) The dimensions of Planck’s constant are same as Answer: Carburettor. Question3: What affect does electricity have on soil? Which of these statements about atoms is/are correct? Charities we Support Answer: B. 2. d. An influence produced by an electric charge on other charges in its vicinity is an electric field. 11. Answer: Luminance. Scholarship D a.Ohm’s Law defines the relationships between (P) power, (E) voltage, (I) current, and (R) resistance. Try this amazing Quiz: Take This Basic Physics Quiz Questions! The Strong Nuclear Force is an attractive force that binds protons and neutrons and maintains the structure of the nucleus, and the Weak Nuclear Force is responsible for the radioactive beta decay and other subatomic reactions. 80) If a car at rest accelerates uniformly to a speed of 144 km/h in 20 s, it covers a distance of Answer: Dr. Virginia Apgar (1953). C: 60. (a) time (b) frequency (c) angular momentum (d) velocity 68) A bus traveling the first one-third distance at a speed of 10 km/h, the next one third at 20 km/h and the last one-third at 60 km/h. Answer: Christian Huygens. Electric potential is the capacity of an electric field to do work on an electric charge, typically measured in volts, while electromagnetism is a fundamental interaction between the magnetic field and the presence and motion of an electric charge [iii]. 52) The pair of quantities having the same dimensions is 15. Retrieved from http://library.thinkquest.org/27930/forces.htm, [v] Heat Transfer. Answer: it is a standardized scale to determine the physical status of an infant at birth. Answer: B. Answer: Ampère per meter. A life long learner, Librarian and teacher by profession... 80 Basic General Knowledge Questions and Answers, 100 Chemistry Questions and Answers – Basic Chemistry, 100 Pub Quizzes – Pub Trivia Questions and Answers, 100 Basic Economics Questions – Economics Quiz, General Knowledge and Current Affairs – October 2020, History General Knowledge (GK) Quiz Questions and Answers.

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