## Len Academy

Questions on Physics

# Which of the following is a fundamental quantity? A. Luminous Intensity B. Area C. Volume D. Velocity E. Concentration F. Acceleration You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE An object at rest will temporarily stay in its state of rest, and if the object is in uniform motion, it will temporarily move in a straight line, unless an external force acts upon it. The above statement refers to Sir Isaac Newton's first law of motion. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE Which of the following statement is incorrect concerning gravity? A. The force of gravity is generally considered the strongest force among the four forces that govern the universe B. Your weight changes as you travel away from the earth C. If we dig the earth until we get into its center, we will have no weight as a result of lack of gravity D. Gravity prevents us from falling off the constantly rotating earth E. If a hammer and a feather are dropped simultaneously in a vacuum, they will both land at the exact same time as a result of gravity F. Weight is always a function of gravity You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE (adsbygoogle = window.adsbygoogle || []).push({}); Sir Isaac Newton was hit by an apple when he pondered on force, motion and gravity. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE The movement of gaseous particles through a tiny hole is termed _____. A. Osmosis B. Diffusion C. Effusion D. Infusion E. Defusion F. Gaslusion You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE A lighted bulb transfers heat through a process termed _____. A. Conduction B. Convection C. Radiation D. Oxidation E. Reduction F. Electrical Induction You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE A measurement of how much the velocity of an object changes with time is termed _____. A. Displacement B. Acceleration C. Speed D. Momentum E. Velocity-Time graph F. Average velocity You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE (adsbygoogle = window.adsbygoogle || []).push({}); Which of the following differentiates velocity from speed? A. Distance B. Time C. Momentum D. Inertia E. Direction F. Distance and Time You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE FA = -FB FA is the action force while FB is the reaction force. The above statement expresses _____. A. Force and Acceleration B. Force and Gravity C. Force and Momentum D. Newton's first law of motion E. Newton's second law of motion F. Newton's third law of motion You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE A natural force that pulls a body towards the center of the earth is termed _____. A. Centripetal force B. Centrifugal force C. Black hole D. Average acceleration E. Gravity F. Momentum You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE A Greek letter that expresses density is _____. A. Alpha_d B. Beta_d C. Theta_d D. rho E. dho F. dhr You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE (adsbygoogle = window.adsbygoogle || []).push({}); A glass of water has a higher density than an exact glass of oil. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE An 🍎 apple 🍎 falling from a tree has an unbalanced force. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE Force is a quantity measured in _____. A. Kilogram B. Gravity C. Incandescence D. Meter per second square (ms-1) E. Mole F. Newton You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE Heat transfer indicates two systems of varying temperatures and will always be transferred from a region with lower temperature to another with higher temperature. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE (adsbygoogle = window.adsbygoogle || []).push({}); Heat can be created. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE Temperature is defined as the measure or ability of an object or substance to transfer heat energy to another object or substance. A. True B. False You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE Which of the following statement is incorrect concerning gravity? A. It is a natural force of attraction B. The earth is spherical in shape and we don't fall off it due to gravity C. The amount of gravity is the same all around the spherical earth D. Earth's gravity affects the satellites E. Gravity is affected by size and closeness of objects F. In an ideal space environment, gravity is absent You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE If two bodies are in thermal equilibrium with another body, then they are also in equilibrium with each other. The above statement is the _____ law of thermodynamics. A. Zeroth B. First C. Second D. Third E. Fourth F. Fifth You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE (adsbygoogle = window.adsbygoogle || []).push({}); Which of the following is a derived unit? A. Kelvin B. Meter C. Newton D. Candela E. Mole F. Ampere You need to be Registered or Logged in to see Answer and its Explanation Please REGISTER HERE | LOGIN HERE \$(".reglogin").hide(); \$(document).ready(function() { \$(".see1").click(function() { \$(this).next().slideToggle('slow'); }); }); \$(".answer").hide(); \$(document).ready(function() { \$(".see").click(function() { \$(this).next().slideToggle('slow'); }); });

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